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Dr MJ Coco
Dr MJ Coco
Dr MJ Coco
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“Grow Your Own, But Don't Grow Alone”
This channel is dedicated to “The Science and Practice of Growing Cannabis”!
We are dedicated to bringing reliable and scientifically accurate knowledge to home growers. My videos and all of our resources at CocoforCannabis.com go through a peer review process.
I have a Ph.D. and am a university professor. I do academic research in peasant communities, where I have lived and worked with farmers for years. I have graduate level training and have taught university courses in horticulture.
I grow cannabis indoors in coco coir and perlite. I have done research in the chemistry and biology of soil-less horticulture. I wrote “Coco for Cannabis: A Grower’s Guide”, which is published by Green Harvest Press and is available through Amazon.
The Grow Light Guide is the latest addition to Cocoforcannabis.com. Based on extensive research, we developed the Grow Light Calculator to allow home growers to analyze Grow Lights & I am doing independent PAR testing.
Cultiuana CT-800 PAR & ePAR Tests and Review
28:08
9 месяцев назад
Spider Farmer SE7000 PAR & ePAR Tests and Review
22:29
10 месяцев назад
The Science of Horticultural LEDs
41:19
Год назад
Medic Grow EZ-8 PAR Tests and Review
16:02
2 года назад
ViparSpectra XS-2000 PAR Test & Review
14:32
2 года назад
Mars Hydro FC-E4800 PAR Test and Review
24:30
3 года назад
Maxsisun MF 2000 PAR Test and Review
15:41
3 года назад
Atreum Hydra 1000 PAR Test and Review
13:56
3 года назад
Комментарии
@jimg5619
@jimg5619 День назад
So...I'm using coco coir, perlite and worm castings for my soil. I'm can only assume that I've used up the benefits of the worm castings. Is it safe to assume that I've exhausted the nutrients from the castings and replenish before planting?. After the rinse off then the buffering with calmag, I can't imagine the benefit of castings is still present. What say you? Great video and very informative. Thank you Sir, for your time and effort in making this video. It's answered questions that I had. I just now harvested and after the initial expense, Id like to recover through recycling if possible . Great video 🖖
@Jjehjhjhh
@Jjehjhjhh 8 дней назад
Thanks for your work. I love the prozess behind a cannabis plant. Its starts with buying a seed and ends deep in Natures chemical prozesseses. I do dwc but after your hyping video i will try coco . The only thing i dont understood is which derviat from calciumnitrat GHE in calimagic take. Usually ist not mandatory to buy it aslong you got ther series.
@jamestaylor5231
@jamestaylor5231 9 дней назад
Medic Grow lights are super and are very efficient,love my Medic Starlink 1000s Full Spectrum 1000W ,absolutely a kick ass light.❤
@The-three-eyed-Prophet
@The-three-eyed-Prophet 13 дней назад
Most detailed Guide i have come across #Respect
@Josef4U99
@Josef4U99 20 дней назад
Long time no video, i hope Dr MJ you are doing well and everything is fine. Wish you the best sir.
@LandRaceplease
@LandRaceplease 21 день назад
Thanks for the great info. I've been struggling with my 8600 and I believe your video has addressed my problem. I had the light at 18 inches from the canopy vs your suggested 27". Since changing that I've seen better growth and greener leaves. I fully expect that little tip is going to make a big difference. Best regards!
@zootvmexico
@zootvmexico 21 день назад
Still not better than a Mars Hydro SP3000 right ?
@nothings7258
@nothings7258 22 дня назад
what ec should everything be for when your done mixing your nutes and does it matter based on the level your at for example veg seed etc
@nothings7258
@nothings7258 22 дня назад
is there anywhere you have videos or pictures of your grows to see how they look i was curious in using your nutrient methods but i wanted to see how your plants come out (not trying to take shots love your channel)
@e-fishinseasportfishingcha9506
@e-fishinseasportfishingcha9506 23 дня назад
I'm going to go out on a limb and just assume your a renter LOL but i like your video.
@darrencookfishing7961
@darrencookfishing7961 23 дня назад
Worth replacing an SP3000?
@Peanutbutterfunds
@Peanutbutterfunds 25 дней назад
Thanks for teaching me nun
@tryhard9380
@tryhard9380 28 дней назад
You hae a gang squad running the chat, ive seen tehm ban 5 people for asking growing questions, ive been banned for introducing myself,m handicapped and really could use some equipment but when i did beong i saw the same people you elected to run the chat usually one and didnt even need the lights so their best friends in the chat would get the light, I got fully banned by my router when i was teling a joke but was just starting and involveda "16 yAR OLD GIR" BUT IT WAS A SCAM AND HAD A LOT OF ANGELES TO IT. comment on this post dr coco and ill give you my emaik and phone number then and hopefully we can sort this out cause you got an amazing site and plenty of evel headed guy to run it and patrol it BUT YOU PICKED SOME BAD APPLES AND IM SURE I CAN HEKP U GROW IT , yOU PROBABY HAVE SO LITTLE MEMBERS FOR A CERTAIN REAASON FOR SUCH A GREAT SITE AND ILL TELL YOU WHY IF YOU GET ME BACK ON AND dont allow a gangof 6 people with no real friends RUN THE CHATROOOM AND JUST BAN EVERYONE ASKING LEGIT QUESTIONS .yOUDID SOME THINGSTO SCREW UP THESITE, ITS NOT WELCOMING ECT. comment, ILL POSTMY EMAIL AND WAIT FOR A RESPONSE AND GIVE YOU MY NUMBER TO E\XPLAIN WHATS GOING ON AND HOPEFULLY YLLJ OU CAN GET E ME BAC ON SO WE ALL CAN LEARN FROM EACH OTHER AND GROW TOGETHER...SIGH
@tryhard9380
@tryhard9380 28 дней назад
Please comment on this dr mj oco and i will give you my email beause i need to learn things, plus your site should be biggger, and also i got banned like 5 times , ive seen 5 or 6 people get banned from the chat for aking about pot, i got banned for litereally introfuing myself. i decided to try omething else and tell a joke from my perception as it happened. IT WAS A SCAM but i was explainging what happened and you would get the wild parts and scary parts and funny parts ect as the wtory went on, it started on a dating site where a girl messaged me for a dic pic i said no she wanted one again and again i laughed at this joker and they said they weree a 16 year old girl.. BAM KAREN IN THE CHAT ROOM, YOU SHOULD BE DISGUSTED WITH YOURSELD TALKING ABOUT CHILDREN and banned my whole router. Plenty of people can manage your chat but the people that literally have no friends it seems nad are in there all day and night for over a year and act like a gang and bully people and kick them and laugh, on your platfourm....its messed up. So lot of enthusiasts andbeginners are welcomed to your ite and ask some questions and are banned and ive watched them feed you hal truths and bs stories. Please COMMENT AND ILL GIVE YOU MY EMAIL THEN PHONE NUMBEER ause your site is wonderful but has some issues> I hope you actually appreciate every subscriber and grower, oh i was ridculed for not even having a badge of any kind but kept getting banned fr their amusement at one point, if i left on my own they sent a message saying i warned you, and banned me. I thought i was getting hazed till i sat back and watched others get banned for asking to many questions on growing which is what i thought thee chat should definetely be used for, not to talk about video gmes and what theyfed their dog and if you interupt them... banned. Plenty of people i met are nt like that but they dont run the chat and havent played you. COMMENT PLEASE SO WE CAN RESOLVE THIS, ILL GIVE YOU MY EMAIL THEN NUMBER SO I CAN GIVE YOU SOME ADVICE AND HOPEFULLY YOU CAN GIVE ME SOME.
@tryhard9380
@tryhard9380 28 дней назад
DRmj coco, YOUR SITE IS WONDERFUL, UNFORTUNATELY I CANT GET ON IT. i NEED THE KNOWLEDGE ON THERE. Unfortuneately almost everyone that joins goes to the chatroom to get the 5 or 6 questions they need to know answered by experienced growers. I got banned for introducing myself, saying some things about my life and living situation so they knew what spae i would have, and asked to speak to an experienced grower. Suffenly i was off the site so i made 4 or 5 more acounts before i finallly saw a yellow sqaure saying ive been banned! I changed to a different IP adresss and went in and saw someone get banned for asking questions about growing, and its just the same like 5 or 6 people in there all the time and 2 are just straight up bullies, i was bullied for like an hour before i figured it wasnt hazing cause im new them just being jerks so i left and was banned again. I switched things up and instead of talking about annbis i was going to tell some stories that were wild that happened in my life , one which was a known scam, but i was telling it as it happened and i percieved it at the time, i said i was on a dating site and i got a message from a girl she asked me to send her a dick pic, i told her no! she is like ome on@ i asked how old she was and she said 16, and then some karen interupted saying YOU DONT TALK ABOUT HILDREN ON HERE! A guy said WOW, you can say that and i almost got banned for just asking a question about pot. My whole router was banned. There were people i met i believe older in years and were calm and not like a gang of huligans that spend their lifes in the chat room abusing their power. I would like to talk to you. I GAVE EVERYONE IN THE CHAT MY REAL PHONE NUMBER , i said" i have no idea why you guys are treating me like this and typing is taking to long just one of you call me and lets talk about this" they said" are you stupidd?" and nobody called me. You got an amazing site but relied on the wrong people there and now i cant get on to ask questions or just look at things for optimal growing since my whole router got bloked while i started telling a JOKE but she slammed me before i ould finish it. Ask yourself what kind of people only have friends in a hatroom and thats literally their LIFE, they spent like over a year in there talking to the same like 5 people and 2 were just nastybulies that you let run the chat. A lot of people got unjustly banned. Id like to talk to you, maybe you could help me out with what i need to know, and maybe get me aloud back on the site, the site should be way bigger then it is and i may be able to help you out with that.IM GOING TO POST A SECOND MESSAGE READ IT.
@psevdo-nim
@psevdo-nim 28 дней назад
Are there the same for 1000 watts with spectrum control?
@tofferman
@tofferman 29 дней назад
How long can that one gal of mixture solution be stored? Going to use a 5 gallon fabric pot.
@josephadams6998
@josephadams6998 Месяц назад
My plants was doing better under a 32 watt lamp light. This piece of shit has my plants all droopy and sad. Its garbage dont buy it
@cliffordtorres4684
@cliffordtorres4684 Месяц назад
Can I grow tomatoes with this grow light
@user-cy8zd3ys1b
@user-cy8zd3ys1b Месяц назад
Would you give that whole gallon to one plant or many plants? Just use as needed?
@PhantomPain74
@PhantomPain74 Месяц назад
Thanks you 100000000 Times. Perfect germination. Happy Growing 💚
@jonathonkerby8155
@jonathonkerby8155 Месяц назад
Can I put my germinated seed in it directly? Or do I have to give it nutrients off rip? Or can I wait a week or 2 then give it nutrients?
@radekm7684
@radekm7684 Месяц назад
Hello, will there be a test of the new Mars Hydro FC-E 1500 lamp on the channel?
@gregadkins8481
@gregadkins8481 Месяц назад
I know that this is a 2 year old video, but I am in Thailand, and if it isn't made here or China, it takes it a while to get here. The Lumatek Zeus 1000w xtreme ppfd co2 just arrived here. Been watching your videos on its European brother. Hell of a light. Here's where I need some help. Given the choice between the Lumatek Zeus, and the Marshydro FC-8000 evo, which one would you recommend? As there, the Lumatek is about $500.00 more expensive.
@Username-es1iy
@Username-es1iy Месяц назад
I wouldn’t rinse with tap water. Our water here is 700+ppm I use ro
@ukaszgapinski8883
@ukaszgapinski8883 Месяц назад
What size of the box in which you have made a measurement
@carlblissitt9123
@carlblissitt9123 Месяц назад
If you buy coco not in bricks but already in 50l bag would you still rinse and would you also still need to buffer with calmag?
@jeffsmith8065
@jeffsmith8065 Месяц назад
I just got this light, I have had a lot of LED grow lights and this is the brightess light I ever had, I made a mistake and looked at when I turned it up and it gave me headache the first time that ever happened with a grow light
@fullTimeVeganinOhio
@fullTimeVeganinOhio Месяц назад
Hell I love my g8600 already
@user-eg8hb8xt3j
@user-eg8hb8xt3j Месяц назад
I’d love to see an ac infinity evo8 . I’m very curious about the new evo diodes
@dmo848
@dmo848 Месяц назад
Yeah but how hot do they run. This is something no one ever talks about. The light can be great but if it runs too dang hott than i can't mess with it. Hot lights only work on when they are all the way at the top of the tent so the inline fan can take that heat out
@Deltaforce650
@Deltaforce650 Месяц назад
Did this and got a nice bag of mold 8 hours is nuts
@FckArtProduction
@FckArtProduction Месяц назад
Nice video with a lot of information but I'm still a little lost with all their models. Could you tell me which one to choose to get the best result in 39"x39". FC-3000/ FC-E3000/ FC EVO 3000? And why are the prices so different between these 3 models? Thank you for your clarification
@vincentpcappello4512
@vincentpcappello4512 Месяц назад
Very informative video thanks!!
@ryanragbir179
@ryanragbir179 Месяц назад
Is there a fold 800 comparison
@tombeierle25
@tombeierle25 Месяц назад
I went off this video thinking it was the best value possible and now have wasted 500$ and have a completely garbage light that doesn’t grow anything even tho it’s bright as shit, I know it’s not your fault but for some reason ppfd does not actually guarantee good growth.
@tombeierle25
@tombeierle25 Месяц назад
This light is a complete scam. I know this makes no sense but I read up to 1200ppfd but then tried to grow under it with about 300ppfd on the lowest setting for 2 months and it does not grow plants. I switched everything searching for the culprit knowing I’ve grown for 15 years and everything is correct. Finally swapped the light and they grew double as much in 10 days as that did for 2 months. Then they tell you it must be your fault and no refunds. Their customer service is atrocious. Do not fall for this scam. Idk how they do it with a high ppfd reading but it does not grow plants. I got the ez8 but I bet all of em are like this
@Der_Gewagte
@Der_Gewagte Месяц назад
I hate PH fr.
@jorgkoch3532
@jorgkoch3532 Месяц назад
👍
@user-mq5co1hp5s
@user-mq5co1hp5s Месяц назад
Эта лампа феноменальна, так как многие используют свет 500ppfd. И за копейки можно или 2*2 осветить или 3*3 для не требовательных. А если все плоды будут на площади 2*2 а в свободном месте листья и вентилятор, то это самый дешовый свет для 3*3 гроубокса.
@pat1carey1
@pat1carey1 Месяц назад
How do you think 2 of these in a 1m x 1m or 3.3ft x 3.3ft tent?
@jamesw5763
@jamesw5763 Месяц назад
Great review, as always. I love how thorough you are! I, as well as others would love to see you review one of the newer AC Infinity EVO lamps. Im running two tents.. 2x4 with HLG350R and just started a 2x2.5 with AC Infinity EVO4 lamp. Its a burner in that little 2x2.5 Gorilla Shorty tent! Lamp seems to have major balls, and I think you could do an awesome episode running that new bar lamp in both its intended 3x3 configuration, as well as PAR testing in a 2x2 environment. Youve mentioned the "big lamp in small tent" prior, lets see a review! NO SUBSITUTE FOR CUBIC INCHES, the old saying goes.. Big lamp + small tent = BIG fun for all! In all seriousness, It really blows my mind that theres no legitimate reviews for the ACI EVO lamps. Just paid sponsor videos with no REAL info. Its a shame... In the end for my 2x2 Octo-Burner grow, it was between the Mars Hydro FC3000 and AC Infinity EVO4. It was close, but ACI won out mostly by virtue of instant compatibility with my ACI Controller 69 - Despite ACI being just a bit pricier than it's Mars Hydro counterpart. Your reviews are very informative and on point and helped very much with my purchase decision. My current grow can be seen on overgrow - James’ lil Octo-Burner. One 2x2 Tent. One Octopot. One BIG-ASS light to rule it all!
@saml7149
@saml7149 Месяц назад
Im not too good at all this par stuff, can you recommend hanging height/power for seedlings/veg and flower?
@Poppin-Seeds
@Poppin-Seeds Месяц назад
Awesome thank you for making things easy!
@Kbkillabud420
@Kbkillabud420 Месяц назад
Still gotta do the xs2500 pro 😊
@verduskinho
@verduskinho Месяц назад
melhor video do youtube
@user-vi8ww6oy9s
@user-vi8ww6oy9s Месяц назад
You just got a new subscriber
@gelatoseeds
@gelatoseeds Месяц назад
Super informative. Thank you for doing this video.
@a1budz871
@a1budz871 Месяц назад
Hey doc , quick question what would you recommend for finishing autos between dry kool and Liquid Ripen?
@Brian-bw3uu
@Brian-bw3uu 2 месяца назад
Cation = cat ion 😺⚛️