WATER FEATURE DESIGN SERIES| WATER IN MOTION 4 NEGATIVE EDGE SIZING AND DESIGN

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This video teaches you TWO THINGS ABOUT NEGATIVE EDGE (ZERO EDGE) POND design! #1 IS how to properly size the reservoir in a pond with a negative edge (zero edge). #2 Is some tips for your negative edge design to discourage fish from going over the negative edge down into the reservoir below. This is the fourth video in John Adams “Water Feature Design Series” covering Water In Motion. In the first video you learned to calculate water in motion. In the second video you learned how water in motion relates to ponds with skimmers. In the third video you learned about water in motion and how it relates to pondless waterfall design and pondless waterfall reservoir sizing. Now you are completing your understanding of water in motion as it relates to pond and water feature design! Happy Pondering & stay tuned for more teaching videos. :)
Modern Design Aquascaping has been building custom water features since 2000 and has been a Certified Aquascape Contractor since 2002. They have built in 6 countries, and over a dozen states in the U.S. They specialize in custom projects that change the way people spend time together outdoors. You may reach John in East Tennessee at:
PHONE-(865)995-1234
WEB-www.MDAquascaping.com
FaceBook: Modern Design Aquascaping
RU-vid: / moderndesignaquascapin...
The RU-vid channel is geared towards education on proper construction methods for water features and highlights many cool projects that the Modern Design Aquascaping team gets to be a part of!
Happy Pondering ;)

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Опубликовано:

27 июл 2024

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Комментарии : 125

@valbyfield1496 3 года назад

I am so glad I discovered your channel before I finished digging my pond, wetland filter and negative edge. I shudder to think of all the mistakes I was going to make if I hadn't found you. Thanks for being so clear and informative.

@KoiAddiction 3 года назад

Welcome aboard! We appreciate you hanging out with us ;)

@bradparker649 4 года назад

Good point about making a longer edge with fish.

@KoiAddiction 4 года назад

Think like a fish!!

@josephjohnson6624 Год назад

No homo...but I love you bro‼️ Im learning so much‼️💪🏿💪🏿💪🏿💪🏿

@KoiAddiction Год назад

LOL glad I can help!

@VLCAquascapes Год назад

What a great resource you've provided here, John...a year or 2 after 1st watching, here I am revisiting due to current relevance. We learn a lot from any number of great CACs out there with channels...but NONE go into the depth of detail like you. Thanks.

@KoiAddiction Год назад

So glad I can help! The greatest reward is to give back the knowledge that was given to me!

@brianparker460 2 года назад

Learned a lot today I'm not a pond builder, but I put a negative edge on my approximately 2,000 pond, I built myself.. those are some good tips!!!

@KoiAddiction 2 года назад

I hope it helped you, and I appreciate you supporting our channel!!

@tristanadams4214 4 года назад

Great video, zero edge is definitely my favorite skimming method. Pristine water surface!

@KoiAddiction 4 года назад

Ditto😎

@donniebeck6112 4 года назад

The best informational series I have watched. Great Job John!

@KoiAddiction 4 года назад

I’LL KEEP EM COMING!

@parvezmulla6748 2 года назад

Good information shared and appreciated.

@KoiAddiction 2 года назад

Glad you enjoyed, I aim to please ;)

@brannenh9005 3 года назад

Impressive stuff! Thanks for sharing your knowledge. Concise yet comprehensive.

@KoiAddiction 3 года назад

Thanks, I appreciate the kind words it definitely helps to motivate the teaching process :-) stay with us there’s more to come👍🏻

@christophermiller3123 4 года назад

This was a great explanation of how to get a negative edge to work. Love you water in motion series. Thank you!

@KoiAddiction 4 года назад

My pleasure, hope it helps you out along the way!

@andrew7458 4 года назад

Thanks for breaking this down for us! 👍👍

@KoiAddiction 4 года назад

Lol exciting stuff eh😂🤣

@WeAreMarriedWithPonds 2 года назад

Thanks John Great info!

@KoiAddiction Год назад

Glad to help, thanks for spending time with us ;)

@dvrk8135 4 года назад

Great use of the dry erase board for your explanations.

@KoiAddiction 4 года назад

I try to keep it real...Real EASY ;)

@tonymarshall3162 3 года назад

Amazing content John ! Thank you !

@KoiAddiction 3 года назад

Those videos are boring but SOOO important!

@MrStevebeech 3 года назад

Excellent, thanks John 🍻

@KoiAddiction 3 года назад

Glad to help Steve- did you gain any insight from the video?

@caryfriar2504 Год назад

Love the teaching! Keep it coming 😄

@KoiAddiction Год назад

Keep watching, I will keep teaching ;)

@petersvan7880 4 года назад

Great video & explanation, thank you!

@KoiAddiction 4 года назад

Glad you enjoyed it!

@DUWaterscapes 4 года назад

Thanks for sharing Jon. Great info. 🍻

@KoiAddiction 4 года назад

Sharing is caring :)

@h2originalponds557 3 года назад

Thanks! Very helpful!!!

@KoiAddiction 3 года назад

Hope you can put it to some practical use😎

@shadshriver1541 2 года назад

Great stuff. Thanks.

@KoiAddiction 2 года назад

You are binging ;) Thanks for hanging out with us!!

@kevinwhitmore4401 4 года назад

Awesome info and very entertaining. Thanks mate 👍

@KoiAddiction 4 года назад

Absolutely, hope these vids are helping the designers out there😎

@victorsherpa2816 2 месяца назад

One of the best explained and informative videos out there. Thank you for your effort. You explained how to avoid large fish from going over the negative edge, what about the baby fish? Does this design make you avoid losing baby fish as well?

@edwinismail9401 3 месяца назад

this is so good

@stacyadams357 4 года назад

Well done... my brain understood your math🤓💙

@KoiAddiction 4 года назад

That makes me feel better...I think??

@brianparker460 Год назад

Love the video John, very informative!!! I've been thinking about doing a negative edge on pond upgrade 👍😁 love the pro tips!!!

@KoiAddiction Год назад

Educate and Inspire! We try to keep the teaching going, it’s ingrained in my DNA I think ;)

@raymondleveridge6974 3 года назад

Totally appreciate this

@KoiAddiction 3 года назад

I see you have been soaking up the Water Feature Design Series ;)

@JoeNoodle 3 года назад

Love it

@KoiAddiction 3 года назад

Thanks for hanging out with us Joe!

@aquascapeponds 3 года назад

Very good info man

@KoiAddiction 3 года назад

Whats up buddy😎

@lorettamaeder7219 3 года назад

Love the "squirrel!"

@KoiAddiction 3 года назад

Me too, there are so many!

@daverussell9627 Год назад

Thanks!

@KoiAddiction Год назад

You bet!

@paulhardy7726 Год назад

Love your videos!! We are building a swimming pond, 20x30, 6’ at the deep for 10ish’ sloping up to 2’ deep 8ish’. Not sure we’ll get it 100% right but it will be much better after watching your videos than without😅

@KoiAddiction Год назад

That’s awesome! What do you want to know more about??

@paulhardy7726 Год назад

@@KoiAddiction I’ve been watching a lot on bog filtration, wet lands, I’m planning on putting 2 in one is a chemical tote, soap water, for waterfall, and the others is going to either a zero edge or some sort of skimmer 4’deep, 4’ wide, and 6’ lenghth. One video you recommended 30% of total pond, surface area, I’m concerned about depth and having enough filtration.

@keefergoodwin 4 года назад

I've got a project in mind for a couple of years time (to try and save the money to do it right 😂) and your videos have been exactly the things I've been looking for, very helpful and informative. Only issue is I live in uk and cant seem to find aquascape products over here

@KoiAddiction 4 года назад

Speak to my good friend Mark Wilson the Pond Advisor (anypond.com) he is SUPER BUSY but he has tons or content and is importing Aquascape product, somwith proper planning, he can hook you right up😎🤘🏻

@TheOfficialSteelReign 4 года назад

I love this stuff! Even time I get a chance to learn something new I try to... SQUIRREL Seriously though. Great info. Keep 'em coming!

@KoiAddiction 4 года назад

Lol!

@berndschuster8786 4 года назад

Well explained! Maybe you could do a future video about water movement in differently shaped ponds and how to optimize their flow.

@KoiAddiction 4 года назад

Good call-I just shot some film on jets and circulation, lets see if I get to it🙄

@fehippie 3 года назад

Hi John, Thanks for your videos, I'm always learning something new from them. One last thing that I'm always getting different references from different sources is about the capacity of the pump for the water feature. I've seem people mentioning that it should be 4 times the volume of the pond per hour, and others saying that the volume of the pond should circulate into the filter every 1 to 2 hours. What is your statement about it? Thanks and keep up the good job.

@KoiAddiction 3 года назад

It is always different. Smaller ponds re-circulate more often. The bigger you get, the less you recycle through the filter system. Environmental factors, fish load, ducks, runoff, pollutants, etc. all can effect the filtration system. Don’t overthink this too much, it’s more important on bigger systems BUT you can always refer to the Aquascape filter system sizes vs. flow rates, etc.

@DanLiese 3 года назад

I absolutely love your personality, where were you in 1972 in my Algebra class, if you were my teacher I would have Aced the class instead of getting 20's and 30's.. LOL

@KoiAddiction 3 года назад

I was struggling to actually get to class lol! I was great at math, bad at school??

@DanLiese 3 года назад

@@KoiAddiction Hey John can you call me now would love to talk again. 401-742-3216. dan in RI

@Deadward1113 3 года назад

Bam! Now I'm on the same page. Do you prefer internal, or external filter? Paired with a wetland filter.

@KoiAddiction 3 года назад

I prefer a negative edge skimmer but a standard skimmer or intake bay will work well too!

@khakicam5400 4 года назад

Love your passion, energy and humour John. Just wondering if you have a minimum flow depth you're happy with on your negative edge as I assume debris will collect and dam the flow if it's too shallow. Cheers

@KoiAddiction 4 года назад

Typically the water going over our negative edge is only a half to 3/4 of an inch of water Thickness. I never have problems with junk building up on the negative edge it always just rides over the top.

@khakicam5400 4 года назад

@@KoiAddiction thanks.

@chadnoland4404 2 года назад

Great Explanation, THANKS, If It's not a problem to have water go over the overflow (out Of The system) in case of pumps turned off, could I reduce the Size of my Reservoir somewhat? Also should I include the Surface Area (+3")of the Wetland Filter in my calculations of the "Water In Motion" ?

@KoiAddiction 2 года назад

Don’t undersized & yes include ALL AREAS that will flow down in a power outage into your calculations!

@BohmVladimir Год назад

Hi at first thank you very much for your great videos. Im from czechoslovakia. Unfortunately maybe through the language barrier I didn't understand exactly how to calculate the size of the tank for a negative edge system. Can you please write how to calculate size ? Thank you very much. In video I understat (2 * 3 inch * size area of the lake in square metres) is correct like this?

@KoiAddiction Год назад

So take the area of all of the areas above the negative edge, pools, streams, etc, and allow for 3” of. Water in motion. Then double (triple is better) the amount of your answer for reservoir size. Make sure your pond edge is “tight” so you don’t loose more than 3” of pond water when power is off.

@johnhildebrand8740 2 года назад

Question on larger water features and “auto filler”. For a larger pond - 15,000 gallons. What kind of auto filler would you use?

@KoiAddiction 2 года назад

I would use (tested) well water or city water on a float switch IN ADDITION TO some natural rain water. I have 600 S’F’ of roof surface feeding my new feature at the house. That’s 50 CF of water or about 375 gallons per 1 inch of rain. PLUS the feature captures the same amount from total surface area to give me a combined total of closer to 750 gallons of rain water per inch of rain here!

@johnhildebrand8740 2 года назад

@@KoiAddiction thanks - I will catch rain water as well from about 1,800 sq ft of roof. We are high desert here at about 5,000’ elevation. We only get about 10” / yr. When we get it, it tends to be in bursts and some from winter snowfall.

@mlock1460 2 года назад

Hello John, really love your videos. I am currently busy designing a pond which hopefully can be constructed next year. As I live in The Netherlands my garden is almost flat. Overall I have a slope in my garden of approx 30cm from front to back. The idea is to create a wetland filter on the highest point. This will flow over into a small pond of about 4 meters diameter close to my house. Then spill over into a slow flowing (meandering) stream of about 10 meters long. The stream should end in a larger pond of about 6 meters diameter. And then ideally I would like to have a negative edge design as it will keep the level in the main pond always the same. I have more then enough space to build an underground storage system. My question is if my idea would be achievable with the total height difference of 30cm (1 foot) as it means 4 level changes within the whole system. All the level changes should keep the quantity of water in motion relatively low which I understand is beneficial.

@KoiAddiction 2 года назад

Can be done, just keep liner seamed up tight. Design might be a bit tricky but not too hard. Can you dig deep where you are?? That may dictate size of negative edge basin if it has to be shallow. I just met a really cool guy from there named Kuhn while I was in the UK last month, we could work together to help you realize your dream ;)

@mlock1460 2 года назад

@@KoiAddiction Many thanks, I will continue designing.

@aquaclearwatersolutions3210 9 месяцев назад

would you calculate the intake bay size for a 140' x 85' using the same calculations you're using for the negative edge? 12' of TDH using 3 SLD 5-9000 to feed wetland @1200 sqft?

@johnhildebrand8740 3 года назад

Do you have a calculation for the min depth you like in the reservoir? I am going to build with a neg edge and an external pump - aqua blocks in the bottom of the reservoir. How deep does my minimum depth from the bottom of the reservoir to my Autofill need to be? I know my space for “water in motion “ needs to be in addition to that. I plan on the extraction pipe being maybe 4” off the bottom of the reservoir. Help please - and thanks in advance!

@KoiAddiction 3 года назад

If your water in motion is 50% of the capacity of the reservoir below the neg edge, make the auto fill set up to fill to that level. In other words, 1) fill res TO FULL-2) run and achieve circulation, 3) mark water level in res at that point-4) set auto fill at that level!

@ronwatt7268 2 года назад

John, you're inspiring me. I'd love to replace my ugly skimmer with an add-on negative edge waterfall and reservoir. I have a pump rated 1900 gph / 22ft feeding a Biofalls1000 via 1.5" flexhose, and lots of water in motion now. Is that enough to calculate the reservoir size/volume I'd need? What capacity reservoir would you recommend? Is a negative edge pond well-suited for sub-zero winters, like Ottawa, Canada?

@KoiAddiction 2 года назад

Yes it is fine there you just have to unhook pump and pull it out in the winter up there. You should be able to use my videos to calculate your water in motion. If you need help, you can reach out to our office for some “consulting”. I can help you get it right!

@TylerTervooren 3 года назад

John, are there any differences to how you would size your pumps for a negative edge vs. a skimmer or intake bay?

@KoiAddiction 3 года назад

No sir, the pump is selected based on my needs for circulation infiltration. If we make any alterations to that it is simply for aesthetics

@johnhildebrand8740 4 года назад

What is the "length" of the negative edge spillway that you like. You say "long", but how long? is that 6'-8'? Great video - thanks. Question when figureing size of water reservior how do you calculate water volume when so much of the space is rock?

@KoiAddiction 4 года назад

Negative edge can be as long as possible, there is no rule but longer is better. Calculations on reservoir are math. Count gallons in the aquablocks. Calculate cubic footage of gravel as 30% water 70% stone ;)

@johnhildebrand8740 4 года назад

@@KoiAddiction What are the chances that when I get my drawings finalized that you can check my calculations for the reservoir. We are in Coloraod so it is a bit far to hire you guys and noone here really knows how to build a pond like this. There has to be a base amount of water in the reservoir and I was planning on working with an external pump. I don't think I want a submersible pump down under 6' of gravel! Do you have an email that I could send a draweing to when I get there? Love your passion and expertise - JH

@johnhildebrand8740 4 года назад

Modern Design Aquascaping Inc. Thank you !!

@johnhildebrand8740 2 года назад

John - first thank you. Is a 4’ deep neg edge long enough?

@KoiAddiction 2 года назад

Sure, there is no “rule” per-say…I just make it as long as I can, as wide as II can (to keep the water thin), and try to bring a vertical wall up for the fish (not a 6” deep shelf leading to the neg-edge).

@billfreeman685 4 года назад

With regards to a pondless waterfall. In time the aquablocks will build up with organic material and need to be cleaned out. What would be the best way to do this without removing all the rocks. Could you use a wetland design but use it in reverse like you would a pump vault. That way you could use flush out the system. Thanks

@KoiAddiction 4 года назад

We use 3”-5” rock on the reservoir only about 6” thick (2 stones). That protects the blocks from UV, allows you to rinse through normally, and if it is neglected-there isnt that many rocks to move and clean.

@billfreeman685 4 года назад

@@KoiAddiction Thank you

@SillySeasonGolf 3 года назад

Do you have to take into account all of the water inside a wetland as water in motion or no because if power goes out all of that water would just sit in there.

@KoiAddiction 3 года назад

Correct- only the surface area of the water on the wetland is in motion👍

@MrCites1 3 года назад

So the wider and shallower the edge, the less water in motion?

@KoiAddiction 3 года назад

Yes, you got it right. Negative edge width designed perfectly can lower your water in motion for the pond to 2”👍

@stevestockton1541 3 года назад

How are the calculations affected by having a wetland filter above the waterfall

@KoiAddiction 3 года назад

Surface of wetland is water in motion! 2x-3x it and add it to the reservoir volume🤘🏻

@stevestockton1541 3 года назад

@@KoiAddiction cheers

@MrCites1 4 года назад

How do you get your levels to make this work?

@KoiAddiction 4 года назад

Im not sure I understand your question, elaborate for me?

@MrCites1 4 года назад

Modern Design Aquascaping Inc. How do you work out the ponds heights so they are level. I’ve never seen a pond building show go through how you map out the levels of the pond so it’s all even.

@davidjamesellis99 3 года назад

Same question. I have not found anything that shows me how to level a pond either. Thanks for the videos!!!!

@FireRecruitmentAustralia 3 года назад

Got a 22m diameter pond, guy from aquascapes is saying I need a 25000 litre reservoir for the negative edge because of the water in motion. Seems a bit extreme.......???

@KoiAddiction 3 года назад

We have quite a few videos on figuring water in motion. We normally figure WIM and then triple that # for our reservoir. Double would be an absolute minimum but it doesn’t allow for much changes-add ones-etc. during the construction process.

@Photomomlove 3 года назад

How can I show you my design?

@KoiAddiction 3 года назад

Sorry for the slow response, it’s been a long holiday :-) you can email me at john@mdaquascaping.com😎

@johnhildebrand8740 3 года назад

You talked a lot about having a long neg edge. Do you have a distance that you have found works best? 3-4’? More ?

@KoiAddiction 3 года назад

Totally going to depend on the space and budget BUT if I can I like it to feel like a long shallow stream. If not make sure it is wide enough to keep the skim thin & discourage fish from going over

@SuperVaruns 2 года назад

I feel terrible that you guys don't have a certified aquascape contractor in India... 😌

@KoiAddiction 2 года назад

It could be you??

@SuperVaruns 2 года назад

Hah.... yes.. but u guys are super creative.. it's a living, breathing work of art! Not everyone can do it.. keep up the great work..

@GT-bx1jp 4 года назад

Seriously, dude I didn't understand any of that. "Add all your water together, add 3", then multiply by 2." Whaaat do you mean? A more detailed example would be informative.

@KoiAddiction 4 года назад

Lol, thats all I got🤓