Aquaponics FAQ | Tweaking Solids Filtration, pH Amendments + MORE

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G'Day Folks. Have received a few questions in regards to Radial Flow Settlers and pH over the past few months so thought I'd answer a few today.
Links to all videos can be found in the description below for those wanting more information.
Hope you enjoy this FAQ session & your gardens are booming.
Cheers all. 🐟 🌱🍅
Rob
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-VIDEO LINKS-
How RFS work - How to Size Your RFS
• Radial Flow Settler fo...
How to Build Radial Flow Settler for Aquaponics System
• How to Build Radial Fl...
Rob's "Big Aquaponic Greenhouse - Part 13 - Radial Flow Settler" video
• Big Aquaponic Greenhou...
Rob's Discord Server
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Canister Filter
• Solids Filter For Aqua...
Starting A DIY Aquaponics System Playlist
• Starting A DIY Aquapon...
Reducing Alkalinity & pH In Aquaponics Top Up Water
• Reducing Alkalinity & ...
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#Aquaponics #RadialFlowSettler #pHinAquaponics

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27 июл 2024

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Комментарии : 193

@RobsAquaponics 3 года назад

Don't forget to click the subscribe button if you enjoyed the video, bit.ly/Subscribe2Rob & share the clip around if you think it may help others too.👍 Cheers all & have a top one. 🐟 🌱🍅 Rob

@RobsAquaponics 3 года назад

@@Hermit_of_the_Holler I pretty much well only answer questions through RU-vid now. Don't have any experience with raft systems but might be able to help with some Kratky ones. 👍 Cheers.

@andyreid7274 3 года назад

Thank you Rob for taking time and interacting with us so heavily. You live aquaponics and it shows in your garden. Keep up the good work! Enjoy your day sir!

@RobsAquaponics 3 года назад

No problem Andy. 👍 Not sure I live AP but I do enjoy helping others. 😉 Cheers mate & all the best.

@tracytesson7171 3 года назад

Hey Rob from Texas in the USA! Finally have 90% of my green house completed and now getting the components for the aquaponics! I have learned so much from you and my entire system will be based roughly on what I have learned from you! As I get the cycle going and flow rates. After that I’m sure I will have questions about other things! KEEP THE VIDOES GOING YOU ARE CHANGING PEOPLES LIVES!

@RobsAquaponics 3 года назад

Hi Tracy & congrats on almost being ready to go with the system. Definitely helps if you can get all the surrounding infrastructure sorted before the build. A decent cover is the main thing holding me back from building 2 more systems down the back but we'll get there eventually. Am glad the videos have helped some & hope your build goes smoothly. 👍 Cheers & all the best.

@Murphyslawfarm 3 года назад

G'day Rob great video mate. 🐟🌱🍍

@RobsAquaponics 3 года назад

Hi ML & thanks mate. 😁 Cheers & have a top week. 👍

@JLEGBIKE 3 года назад

Looking forward to next clip, Rob👍

@RobsAquaponics 3 года назад

Hope you enjoyed the pest video Jodie. 😁👍 Cheers & all the best.

@gsanning 2 года назад

Thank you for your willingness to share your wisdom. It is a blessing.

@RobsAquaponics 2 года назад

You are very welcome Geoff. 😁 Cheers mate.

@francisdiocton8052 2 года назад

Hi Rob I have great interest in aquaculture and have been watching your videos. Very cool and educational. Thanks!

@RobsAquaponics 2 года назад

Am glad you're enjoying them Francis. 👍

@elenidemos 3 года назад

Hi Rob. 👍

@RobsAquaponics 3 года назад

Howdy Eleni. 👍😁

@cathy-enjoylife4351 3 года назад

Good job nice sharing Have a Blessed Sunday 🙏😇

@RobsAquaponics 3 года назад

Thanks Cathy. Hope you had a great weekend. 👍😁

@cathy-enjoylife4351 3 года назад

@@RobsAquaponics Your welcome thank you 😊

@Bigelowbrook 3 года назад

I was going to suggest you could drop in the water from the top on the RFS but I see you reference my system. 😉 Another method to reduce the RFS flow is to design a "Cornell-Style" fish tank system. System is looking good as-is! No doubt it's doing a great job with the filtration.

@indica_dogo868 3 года назад

Will you print out and sell me the toothed ring you use on your RFS!? Please!? 😆 But seriously you have a beautiful system and the strawberry hanging system is really cool

@RobsAquaponics 3 года назад

Hey Rob. I figured you wouldn't mind the shot out to your channel. 😉😁 Was going to set this system up as a duel drain at one point but changed my mind as I wanted to see how my parents went first. Ended up dismantling it so never got to see it in action with fish. 😒 Very happy with the small polishing jobbie in the sump here but think the next system will look a wee tad more professional. 😉😅 Hope all's well with you & yours. Cheers.

@NewDimension7 3 года назад

GOOD MORNING !! Yeay really good ideas thanks you !!!

@RobsAquaponics 3 года назад

Glad you like them ND. Cheers & have a top one.

@jonhatchcirclejfarms1628 3 года назад

G'day Rob. I really like watching your videos.

@RobsAquaponics 3 года назад

Am glad you're enjoying them mate. 👍 Do you have a system on the go at the moment? Cheers.

@jonhatchcirclejfarms1628 3 года назад

Unfortunately I'm still dirt farming. Gets to cold here in the winter in northeastern US. But with the climate changing I believe the way you are growing veggies is how everyone will have to. I'm making plans and working on ways to keep the fish warm in the winter. I'm learning so much thanks to your videos. Please keep those great videos coming.

@oby-1607 3 года назад

Very good graphics Rob. I run three disc filters in parallel not in series as you recommend for filtration in my orchard. I always learn something from you.

@RobsAquaponics 3 года назад

I would suggest that parallel is better than series Oby-1. Decreases the flow into each filter which increases the retention time if you're talking solids settlers. 👍 The filters in series on the thumbnail were their as a bit of "click bait" 😉

@123BRT 3 года назад

Thanks Rob, You're a legend! Always great info explained simply and efficient!

@RobsAquaponics 3 года назад

Glad I could help you out some B.R T👍

@tombeespoke9384 3 года назад

When breeding discus I ran peat in my filters to soften (acidify) the water

@RobsAquaponics 3 года назад

Where trying to push the pH up with aquaponics as the nitrification cycle keeps stripping alkalinity from the water. Cheers mate.

3 года назад

G'day Rob.

@RobsAquaponics 3 года назад

Howdy Gürkan 👋

@neilcalliou896 3 года назад

Another awesome vid Rob!! Take care man!!!

@RobsAquaponics 3 года назад

Thanks Neil. Hope all's well with you mate. 👍

@d-i-ry 2 года назад

Thanks for making this and ALL your other videos Rob! I bought your video course, and your clips have given me the confidence to make my first system. Building starts this weekend!

@RobsAquaponics 2 года назад

Hope the build goes well for you mate. 😁

@curtisc808 3 года назад

Awesome clip. Can't wait for the next video.

@RobsAquaponics 3 года назад

Thanks Curtis. Hope to be filming the caterpillar one sometime this week. Cheers mate.

@curtisc808 3 года назад

@@RobsAquaponics Great. I have something eating some of my plants. Need some pointers on what to do to kill those buggers.

@brettm.s.1169 3 года назад

Great video, lots of concrete information to learn.

@RobsAquaponics 3 года назад

Glad it was helpful Brett. 👍

@blaxtarr 3 года назад

G'Day Rob. Love the suggestion about the split radial flow settling tanks. Think I am going to use that for my bigger aquaponics setup being planned.

@RobsAquaponics 3 года назад

I think 2 drums a great idea if you can't find the larger tanks or are adding one into an existing system to improve retention time. A single flow into 1 larger tank would still be my choice if I could find a tank that was suitable. 👍 Less pipework & cleaning to do. 😉 Cheers Richard & hope the build goes smoothly.

@christopherstaples6758 3 года назад

yep parallel them or use a swirl filter with high flow rates

@RobsAquaponics 3 года назад

RFS still preform better than the swirl from the paper I've read & hearing from folks that have used both. 👍

@alexandeurross4169 3 года назад

Running radial flow in parallel.... Good idea that I hadn't thought of! I plan to build a commercial system soon, but multiple blue barrels can be had much cheaper than a big tub.

@RobsAquaponics 3 года назад

If you're starting from scratch you should probably look into a twin drain set up like the Cornell dual drain design. This was meant more for folks that already have a system on the go but want more retention time. I think I have a video explaining it. Will go have a gander.

@RobsAquaponics 3 года назад

This section of video on my parents system might help with a bit of an explanation Alexandeur. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-DaURXZqEvJc.htmlm43s I'll look at doing a video explaining how they work down the track.

@DingoAteMeBaby 3 года назад

Its crazy how your setup's water resistance is so similar to electrical resistance. Your radial flow settlers are like resistors and putting them in parallel doesn't half the "voltage" or water pressure in this case!

@RobsAquaponics 3 года назад

Not after reducing water pressure, we looking to increase the time the water spends in the drum (retention time) to allow solids to precipitate out of the water column. 👍

@alexcalabro8140 3 года назад

Great video as usual. I wish I would've thought about question 1 before doing my new system a few months back, I put 2 in series. Not thinking it would increase retention but thinking it would give more solids a chance to settle out. And I do get solids in both barrels but the split flow with longer retention time sounds more efficient. Cheers, for the discord. I didn't know he had one. I've seen lots of people join since I joined, he better give you some residuals lol.

@RobsAquaponics 3 года назад

Rob owes me nothing. It was the video of his small greenhouse system that got me hooked on the idea to start with. 😉 Cheers Alex & have a top one.

@wayne8113 3 года назад

Thanks Rob

@RobsAquaponics 3 года назад

No problem Wayne. 👍 Cheers mate.

@mattosborn5966 3 года назад

Great video. Thank you!

@RobsAquaponics 3 года назад

Glad you liked it Matt & hope it helped you out with a few ideas.

@riograndevalleyhomestead2627 2 года назад

Howdy Rob, Mike from New Mexico, just starting out on my own adventure in Aquaponics but have been interested for years. I enjoy your videos and advice and hopefully will have a near good experience as you have had. :)

@RobsAquaponics 2 года назад

Hi Michael & hope the system is traveling along well mate. Are you using tilapia?

@riograndevalleyhomestead2627 2 года назад

@@RobsAquaponics No, all that is going in the world right now I haven't gone through the trouble of having the system inspected. This has to be done before any kind of game fish can be added to it, and they really don't like people to use Tilapia as they are deemed an invasive species here. They push Trout but they are so particular in the water temperature and oxygen I don't know if I want to mess with them, I would like to get Blue Gill or White bass and try them. That will be a choir too as there are not any hatcheries near by for those species. Right now to follow my experimenting I am using Koi so that there may be some value to them down the road.

@shannontodd4619 3 года назад

Hey Rob, for keeping pH down I've found keeping some old corals and sea shells in the sump works well. Have always managed to keep my pH levels between 6 - 7.

@RobsAquaponics 3 года назад

If it works for you go for it. 👍👍 I've seen others that use coral as well & they have no issues. I tried crushed shell grit in our first system & found it worked for a few months then stopped. I was told by an aquaculture designer that the powdered grit/dust dissolves really well so keeps the pH balanced until that's used up. After that the pH needs to drop a lot lower for it to break down the shells as it's a more stable form of carbonate. Cheers Shannon & happy growing mate.

@damo8755 3 года назад

nice work mate thank you

@RobsAquaponics 3 года назад

Thanks mate. Cheers & have a top one Damo.👍

@jimparsons8440 3 года назад

Thanks Rob!

@RobsAquaponics 3 года назад

Cheers Jim. Have a top one mate. 👍👍

@joeiuta 3 года назад

G day Rob love your vjdeos

@RobsAquaponics 3 года назад

Thanks Joseph. Hope they've given you a few useful ideas to play with mate. 👍

@DanDannyDanielleBob 3 года назад

How about a settler to a packed media upflow filter? Upflow filters seem to be common on koi ponds, but I'm not sure how easy it is to recapture the solids for compost tea brewing

@RobsAquaponics 3 года назад

I have seen a few folks knock up DIY versions but haven't run them myself. Have a local mate that just built a sand one i wouldn't mind checking out.

@philbesant3618 3 года назад

Hi Bob thanks for the info it will be really helpful as I am just about to start my Aquaponics journey. I have made a cut and flip and are using the gold fish I had to take out of my mums pond when she passed 70 in all. I am just court up with all your posts look after yourselves. Phil

@RobsAquaponics 3 года назад

Hope the system runs well for you mate. 👍 Might pay to think about a possible expansion down the line if the fish start to put on a bit of size. Cheers Phil & happy growing mate.

@conanaitkenhead8055 2 года назад

great video. Thank you!

@RobsAquaponics 2 года назад

Glad you liked it!

@Kearnesy 3 года назад

Canister filter works amazing for a simple chop and flip system just make sure you have an extra uniseal after a couple years found mine started to leak a bit

@RobsAquaponics 3 года назад

Did your first one break mate?

@Kearnesy 3 года назад

Ended up with a split in it on the inside not even sure how it happened but its always in the weather

@owensfunhouse7582 3 года назад

Water looks a lot better these days mate. Looks like its all working well for you. Those Jades are getting huge.

@RobsAquaponics 3 года назад

They're getting there slowly. Had a jumper the other week & it came in as 350g so they might get up there before things get too cold. Cheers Owen. 👍

@markwatson4101 3 года назад

Best, most consistent source for aquaponics content that I've found. Why is the acid safe in top-up water and not as a direct add? I can see it not having enough time to mix when adding to the tank but I would have guessed putting it in the sump would be ok. Thanks for the great videos!

@RobsAquaponics 3 года назад

Thanks Mark. 👍 I've seen too many folks add too much & kill their fish that's why I recommend only lowering the pH in the top up. I do know folks that will isolate the fish side of their system while treating the sump & grow bed water with acid. Most systems would need a bit of tweaking & an additional pump to be able to do so. Cheers mate & have a top one.

@honeyy79 3 года назад

G'day Rob. Hows it going down under? You are a true inspiration. Can't wait until i get my aquaponics sorted out! :)

@RobsAquaponics 3 года назад

Bit overcast & bleak looking here today for the first day of "Autumn". Expecting 35-36°C / 95-97°F for the next few days so think Autumn may be coming a bit late this year. 😉 Hope the build goes smoothly when the time comes Tone. 👍

@honeyy79 3 года назад

@@RobsAquaponics Here its 2°C :D I Live in Norway. Im working on getting all the things i need for my system. Sadly it takes time when money is in the way! :D I also bought myself a 3d printer to see if i can print some awesomeness for my system aswell. Like for example the SLO.

@zhifeng6388 3 года назад

hi :) thx all the knowledge u giving

@RobsAquaponics 3 года назад

No worries & hope the vid's help some. 😁

@sallyweiner4180 3 года назад

Nice!

@RobsAquaponics 3 года назад

Thanks Sally. 😁 Hop your Tiny Toms are doing well. 😉 All the best to you & yours.

@PotentPonics 3 года назад

for pH up Potassium Silicate and Calcium Carbonate gives the most plant benefits and the best disease resistance.

@deadfred821 3 года назад

Is the calcium carbonate the one that you have to do the delicate dance between it & chelated iron?🤔

@RobsAquaponics 3 года назад

Have a litre here but need to use up the rest first. Have just been adding it for the silicate more than as a buffer though. Have you seen any guides as to amounts needed for buffering or did you just wing it until you got the desired result? The Hydro shop wasn't too helpful at all. Cheers Steve.

@RobsAquaponics 3 года назад

@@deadfred821 Excess potassium can impede iron uptake & magnesium helps iron absorption from memory DF. Cheers mate.

@PotentPonics 3 года назад

@@RobsAquaponics Dosing for potassium silicate is similar to Potassium Carbonate. As far as Silica level you want 60 ppm + for all crops and 75+ ppm for squash, cucumber, and other more susceptible crops. You use potassium silicate instead of using a carbonate or hydroxide.

@RobsAquaponics 3 года назад

@@PotentPonics Thanks Steve. I'm more concerned with over doing the pH side of the equation so I don't raise the pH too high. You don't add in as much as you would the the dry weight K carbonate would you?

@rayaquatics1 3 года назад

Love ya show

@RobsAquaponics 3 года назад

Thanks mate. Cheers & have a top one.

@thoth3g 3 года назад

Hello from TX I have plans to put together a system very soon, will be sure to subscribe to the private group when i do! I've been debating whether to completely bury my fish tank because I plan to put it inside of a greenhouse for the colder months there's at least three of those and my region. Water can store heat that way My only concern is that I only want to pump it once for power preservation I'll probably set up some solar panels and a battery bank or something. Perhaps i will pump it instead from the in ground tanks and let it gravity feed back in. Really appreciate everything you're doing here.

@kamreyniseri9855 3 года назад

What's up down under?!?! Thanks for the vids Rob.🤙🤙🤙🤙

@RobsAquaponics 3 года назад

Not a lot at the moment Kamreyn. 👍 Thinking I might spend some time catching up on comments & questions again today. Cheers & take it easy mate.

@drrahilakurdi5943 3 года назад

thanx

@RobsAquaponics 3 года назад

No problem Rahila. 👍 Have a top one.

@Aquaponiaannunakis 3 года назад

Rob bob's é um mestre da aquaponia parabéns pelo vídeo, demorei para traduzir para o brasileiro mas valeu o tempo, ótimo trabalho e explicação top dez🙏🇧🇷

@RobsAquaponics 3 года назад

Obrigado Lucélio. Eu gostaria de ter todos os vídeos traduzidos para o português, espanhol, árabe e mandarim em algum momento.😁👍 (Google Translate) Thanks Lucélio. I would like to get all the videos translated into Portuguese, Spanish, Arabic & Mandarin at some point.

@Aquaponiaannunakis 3 года назад

Rob bob's é um mestre da aquaponia parabéns belo trabalho abraço fique com deus 🙏🇧🇷

@georgeplisko2439 7 месяцев назад

Gd-ay Rob your awesome happy holidays to you and your family George Plisko

@bradsmith4970 Год назад

Hi rob I got ur uni seal's delivered the other day thanks just wondering what size air pump would I need for the bio filter k1

@rossmcgregor3364 3 года назад

Tha is Rob 👍 been watching for a while and this is my first comment, have you ever done anything on a larger scale? Heading towards small commercial?

@RobsAquaponics 3 года назад

Hey Ross. Only smaller backyard systems mate. I might have a crack at a small scale one down the road when we get a decent sized block. Cheers mate

@davidrediger6407 3 года назад

Rob from Bigelow Farms uses a Mineralization Tank. Can you give us some pros and cons and why you don't use them?

@RobsAquaponics 3 года назад

I think they're a great idea. Only cons I can see is the space they take up if you don't have a lot of room (like us at the moment) & the other would be the few minutes it takes through the week to decant the clear water out. There may be more con's that become evident after running one that I'm not aware of at the moment. I just haven't done a video on them as I'm yet to run a dedicated one from one of our systems as I've only run compost brewers in the past. Will post a vid once we have one up & running though. Cheers David.

@purematossan 3 года назад

As always ..Great video rob ..I am interested to hear your forthcoming video about pond liner (what I am using) ..I use the same overflow that you build in conjunction to a canister filter. Do you see any advantages to add a swirl fitter before the canister filter ? My setting is # because of the gravity limitations of the pond. Overflow goes to a sump tank ..a water pump from their send water to canister filter and goes to grow beds and floating raft bassin. Love your thoughts. Cheers mate from New York

@RobsAquaponics 3 года назад

Hey mate. The pond video will be a while in the making as I need to build it first. 😉😁 Not sure I'll be using a pond liner in it as I have a tank that will be partially buried to form the pond. I would go with a radial flow settler rather than a swirl as they have been shown to remove a lot more solids from the water than the swirl. As for adding a solid filter before the canister, I wouldn't worry about it if you think the canister is doing a good enough job. It will only create more work for you to do. Hope that helps some mate. Cheers.

@purematossan 3 года назад

Thanks Mate ..you are the best !

@RAWSET Год назад

That is higher quantities of additives that I expected or experienced with. Then again I;m upgraiding from a 2kl to a 4kl system so its all in the ball park and taking notes the old style writing with a pencil. Maybe make another youtube one day.

@brotherman5767 2 года назад

Tq bro

@DeeFromBrooklyn 3 года назад

Nice setup. Where did you order your plant substrate from?

@RobsAquaponics 3 года назад

I bought some of the clay from hydroponic store & also picked up a load second hand. 👍 Cheers Dee & happy growing.

@matthewg4956 3 года назад

Hey Rob.... what are your thoughts of replacing your radial flow settler with a sand & gravel filter with the air clean out? Have you done any studies of them?

@RobsAquaponics 3 года назад

Hey Matthew. I know a local chap that has built one & he's offered for me to come around to check it out. He thinks it's working really well so am interested in checking it out in action. I was looking at making up an up flow filter using the biomedia I have as they work really well too so I've been told. Was planning on playing with that idea when we set up the new aqua area down the line. Cheers mate.

@timbohannon409 3 года назад

Loads of information in your videos! Do you think your solids separator could be setup with layers of filter material in the top half of the barrel so solids fall to the bottom but if any swirl up they would be caught by the extra filtration before pumping out to the next stage?

@RobsAquaponics 2 года назад

I have seen folks do something similar Tim. Others will have a basket of biomedia (like the style I use) to act as a rudimentary "up flow" filter around the outlet to catch fine solids. Hope that helps some mate.

@salmon.enthusiast 3 года назад

Hey Rob, thanks for another great video! I got a question I hope you can answer. I'm looking to build a system that uses one 275 gallon IBC fish tank, one 275 chop/flip ibc sump/growbed, a radial flow settler, and 55 gallon MBBR; what air volume do you estimate moves through the MBBR to get that good media agitation? Need to size an air compressor for this project. Regards!

@RobsAquaponics 2 года назад

I can't help with an exact amount sorry mate. I found it's best to oversize the pump & have a valve on the air line into the filter so it can be adjusted. Any excess can easily be shared with the fish tank like I do here. I'm very sorry it took so long to get back to you. Hope the system is doing well.

@sixpackjack12oz 3 года назад

Hi rob I’m from Connecticut United States I have been watching you for years and I’m in the process of building a system I would love to see a video on the initial start up of a system Do you add the fish first? I’m in the middle of building the system but what are the steps to start up procedures for the first time Jack

@RobsAquaponics 3 года назад

Hi Jack Sorry for taking a while to get back to you. I have posted a video about cycling a system before adding fish if that helps any. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-kmxfI_fkmtc.html I have mentioned other tips like slowly adding plants as the nutrient levels rise & such in other videos. Will look at doing a video going through the steps very soon. Might be a bit late for you though sorry. Hope that info does help some. 👍

@daydreamingarts 3 года назад

hi from calif bay area where spring has sprung!

@nickolasrobbers8170 3 года назад

Lodi , CA wine country here

@RobsAquaponics 3 года назад

Hi Kayla. It's the 2nd day of Autumn here & we have 95°F here today. Might hold off planting the garlic for a few more weeks methinks.... 🤔😉 Cheers & have a top one.

@RobsAquaponics 3 года назад

@@nickolasrobbers8170 Howdy Nickolas. 😁👍

@timburgess2417 3 года назад

Great stuff mate, ik your busy but when you get the chance I'd still love one on air pump sizes ect 😉😆 sorry

@RobsAquaponics 3 года назад

😛

@RobsAquaponics 3 года назад

A good rule of thumb is the same litres of air per hour as there is water in the fish tank. So for an IBC you'd be looking at 1000lph for a sensibly stocked tank (no more than 45 fish). HTH some Tim. Cheers & have a top one mate.

@timburgess2417 3 года назад

@@RobsAquaponics yep thanks that does help a heap thank you 👍

@drrahilakurdi5943 3 года назад

I subcribed your chanal long time a go ❤❤❤💚❤🌼❤

@RobsAquaponics 3 года назад

Am glad you're enjoying the videos Rahila. 😁😁 Cheers & happy growing. 🌱🌱🌱

@mikewhyte2207 3 года назад

Hey rob. What air pump do you use and where to buy one from? Thanks 😊

@RobsAquaponics 3 года назад

I'm using the SunSun ACO-05 that I got from Guppies here in Australia. guppysaquariumproducts.com.au/electromagnetic-air-pump-70l-min-x-10-outputs-aco-05.html This style of compressor can be quite loud if you leave them sitting on a bench/shelf so I suspend mine from their handle which cuts out a lot of the noise. I have a similar looking one on our **Amazon page if you're in the US. It looks to have decent reviews. www.amazon.com/shop/bnbob01?listId=3VWN9Q5T75MAO Hope that helps some Mike. **I will get a commission if you use this link to purchase it on Amazon. Need to cover my Butt. 😉

@richardfrench5839 3 года назад

Hi Rob, do you test and adjust your Gh and Kh of the system. Cheers

@RobsAquaponics 3 года назад

You can buy test kits from most aquarium stores. I only worry about carbonate hardness when it comes to treating large amounts of top up water Richard. Cheers mate.

@mikeemery3937 3 года назад

Ok, so after a day outside tidying sorting etc I have a question...Rob, how on earth do you manage to do all this and make videos for us?! I mean seriously, what are you feeding those fish that's making its way down to you?? 🥵 Great video mate 👍🏻👍🏻

@RobsAquaponics 3 года назад

🤣 To tell you the truth mate, I don't think I do enough. 😉 Said that to B the other night & she just laughed I told me to can it.... 🤔 Glad you enjoyed the vid. Hope you all are doing well too. Cheers. 👍

@karavastasos 3 года назад

Hello Rob. Big fan! I have a question. Have consider rabbitponics? Do you have any tips?

@RobsAquaponics 3 года назад

No I haven't sorry. I think you'd be better off composting their poop & using that as a soil amendment or making a bioponics style nutrient from it. 👍 I have seen folks use the dirty pond water from ducks though. Cheers

@aawaeldubai 3 года назад

Thank you for all dear, I would like to ask what I can do when I don't have water test kits? how I can monitor the water quality with no Ammonia tester?

@RobsAquaponics 2 года назад

It would be very hard to I think Wael so I'd err on the side of caution & make sure the system has been "cycling" for a long time before you add any fish in.

@brettm.s.1169 3 года назад

Could I use some OTTO garbage bins as filters ? At 240 litres the retention time could be 30-60 minutes ?

@RobsAquaponics 3 года назад

No reason why you cant mate. 👍 I have seen a few folks use them as biofilters & solids settlers now. Cheers mate & have a top one.

@RomskieL 3 года назад

Hi Rob, if the power / electricity is cut off, will your fish tank retain the same water level? I noticed that your radial flow sittler is lower than your fish tank.

@RobsAquaponics 3 года назад

The solids lifting outlet sets the height in the fish tank so it will never drop lower that the outlet there. This older video explains how they work if it helps any. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-bmzgANTGJ0k.html

@gjsxnobody7534 2 года назад

why do you have the drain from the fish tank on the upper side? instead of just at the bottom of the tank? seems to me you could avoid interior piping that way no? Plus the level would still be maintained by the pipe height in the "stilling filter tank". or am I missing something?

@RobsAquaponics Год назад

If the pipe on the outside needs to be removed it will mean that the FT may drain (depending on valves & what not). Having the outlet at the top means there will always be a set amount in there, safeguarding the lives of the fish.

@brettm.s.1169 3 года назад

Hi Rob, how does the clay media become able to process the fish waste? Does the correct bacteria just appear or do you need to add something to start the chemical process ? Thank you, Brett.

@RobsAquaponics 3 года назад

Nitrifying bacteria are all around us already so it's a case of "build it & they will come". Some folks will try & speed up the process by adding medium from a healthy existing system that already contains the bacterias required.

@brettm.s.1169 3 года назад

@@RobsAquaponics thanks Rob, these are the questions that no one answers. Thank you !

@MrTriplebass Год назад

HI Rob. I'm wondering if a settler could be combined with a bio filter? The space around the vertical column in the settler seems to be dead space. Could media be put in there to create a bio filter. The outflow pipe would need some mesh over it to prevent the media flowing out. The media would float so not interfere with the settling area at the bottom of the barrel. What do you think? Have you tried this? David

@MrTriplebass Год назад

Ah. Sorry - the answer came to me as I asked the question! impossible to clean and the media would drop down into the settled poo. Back to the traditional design! Thanks Rob

@RobsAquaponics Год назад

🤣 Glad I could.... help? 😉👍 I have seen systems like that but as you pointed out cleaning can be an issue. Aerating it for the bacteria can also be an issue. Hope the builds going well David.

@JonathanTabaco 3 года назад

g'day

@RobsAquaponics 3 года назад

Howdy Jonathan. 👍👍

@zeropoint546 3 года назад

Hi Rob, great channel, just wondering what you'd regard as an ideal PH? Sorry mate, I'm sure you've mentioned this before at some point.

@BetterDeadThanRed99 3 года назад

My system stays at 6.6 - 7.0 with fluctuations within this range being optimal.

@RobsAquaponics 3 года назад

I like to keep ours between 6.5 - 6.8 but I don't stress if it jumps to 7 ZP. 👍 Hope that helps some.

@zeropoint546 3 года назад

@@RobsAquaponics Awesome mate, thanks very much for that!

@Aquaponiaannunakis 3 года назад

Escrito e Like gracias 🙏🇧🇷

@RobsAquaponics 3 года назад

😁👍

@janvanderwesthuizen8661 3 года назад

Hey Rob, Completely of the subject, I am battling with my tomatoes they are not growing fast and also lost a couple, how do you deal with the extra nutrients they need in aquaponics? Cheers Mate.

@RobsAquaponics 3 года назад

Hi mate & sorry for not getting back to you sooner. The easiest way to fix this is to pull a few of the plants & add more back in once the fish grow a bit & start to consume more feed. Another way you could fix it is to add more fish to the system if you have the space in the tank & enough biofiltration capacity in the grow beds/filters. I do know some folks that will also add in compost or worm cast teas to help boost nutrients as well but haven't bothered with hat myself. Hope that helps some mate.

@janvanderwesthuizen8661 3 года назад

@@RobsAquaponics Thanks Rob much appreciate

@246Daniel246 3 года назад

I have gold fish I let them stay at 8.4

@RobsAquaponics 3 года назад

Good for the fish, not so good for the plants. Cheers Daniel. 👍👍

@greatskytrollantidrama4473 3 года назад

7 seconds and 6 likes, makes sense

@RobsAquaponics 3 года назад

Some folks ate very fast out of the gate. Cheers GST . 👍👍

@sowmanyseedlings 3 года назад

Will all aquaponics systems require such a high level of ph maintenance? I kept fishtanks for years and rarely had to adjust ph. Could be a totally silly question, I dont know much at all about aquaponics. Great video!

@RobsAquaponics 3 года назад

I've seen folks with smaller glass fish tank systems have very stable pH like "The Aquaponics Project" that asked the question. This is due mainly to a much lower stocking density which means less ammonia being converted through to nitrate which in turn requires less alkalinity to be consumed through the process. Hope that helps some Meaghan.

@sowmanyseedlings 3 года назад

Thanks guys! Was totally just curious :) Aquaponics is something I'd like to get into when I have a larger yard. Been loving all your how to videos Rob!

@RobsAquaponics 3 года назад

@@sowmanyseedlings Am happy to hep where I can Meaghan. 👍

@drrahilakurdi5943 3 года назад

I like your chanal thnx

@RobsAquaponics 3 года назад

Thanks Rahila. Hope it's given you a few useful ideas to play with. 👍 Cheers & all the best.

@22lander22 2 года назад

Hey Rob, i got a question that i was searching through books and your videos about the biofilter... So, as we know theres the surfice área of the material that we work as biofilter, i'm working with one that has 700 m2/m3, and this should work for about the ratio of 25 liters for 1 kg of fish food at 32% the question is: does the media work biotransformation of fish food per day? if so, them about 5 kg of fish food per day, i will need about 125 liters of biomedia?

@RobsAquaponics 2 года назад

Hey Bernardo. It's generally taken as a 24 hour period unless stated otherwise. I also answered this question in the description of the latest live stream for you.👍 There are a few ways to calculate TAN (Total Available Nitrogen) processing & I like to use Timmons & Ebeling equation from the Aquaculture bible. TAN = Total feed weight x percentage of protein x 0.092 / (time = 1 day) 5000g x 32% x 0.092 / 1 = 147.2 of TAN Assuming that the conversion rate is 0.5g of TAN per m² per day 147.2 (TAN) / .5 (gram processed per m²) = 294.4m² 1m³ (or 1000 litres) of your media has 700m² of surface 294.4 / .7 = 420.5714 litres of medium with a surface area of 700m²m³ would be needed. I hope that helps some mate.

@22lander22 2 года назад

@@RobsAquaponics Thx a lot bob