Mega Crop Scrog grow

Colo MMJ said:

Do you think burnt from heat from the QB's or bleached from too much light?

Do you have a fan lightly blowing along the tops or between the plant and light? Just curious.

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Bleached from QBs is a white or very light yellow, I may have been on the verge.
Always a fan at the canopy and one under, always.

QBs are CalMag hogs, coco is a CalMag hog add to that my tap is 40-60PPM
QBs alone you need to have CalMag ready no matter what your water PPM or nute line is. Even though Maxi had it in it I still needed a full dose per gallon.

I think it a minor cal deficiency, if the grow was properly groomed it wouldn't need so much at this stage. Odd as it sounds this is why I grew this way is so I can see what MC can and can't do. It's impressive that it stood alone with nothing else needed up to this point.

You still have to play with MC, the feed chart is solid but not every strain will go up to 6g per gallon. Some are heavy feeders and some light. If I can eliminate a shelf full of bottles I'm all for it.

ChaosHunter said:

Bleached from QBs is a white or very light yellow, I may have been on the verge.
Always a fan at the canopy and one under, always.

QBs are CalMag hogs, coco is a CalMag hog add to that my tap is 40-60PPM
QBs alone you need to have CalMag ready no matter what your water PPM or nute line is. Even though Maxi had it in it I still needed a full dose per gallon.

I think it a minor cal deficiency, if the grow was properly groomed it wouldn't need so much at this stage. Odd as it sounds this is why I grew this way is so I can see what MC can and can't do. It's impressive that it stood alone with nothing else needed up to this point.

You still have to play with MC, the feed chart is solid but not every strain will go up to 6g per gallon. Some are heavy feeders and some light. If I can eliminate a shelf full of bottles I'm all for it.

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man, I love the ease of MegaCrop. Mix a month of MC, put it in a Igloo cooler, or large cool-aid container for easily fill a bottle to feed. ( small grow ofcourse ) is just awesome. I have 3/4 full containers of AN PHPerfect nutes, and FF Nute line barely used. How do we get rid of this stuff saftly? I will never use anything other the MC, Im hooked for ever now on this stuff. LOL..

Im 14 days into flower ( first pistol sighting 14days ) and they seem about 1 week ahead of usual. Im sure its a combination of my Light, and the MC, annnnnd maybe the air injection Im using, but man, she is growing fast, and already has Trics on the buds at 14days.

Im only running 200ppm of the MC on her also, because Im in Hotsoil as it is, but not seeing ANY problems thus far. I have a seedling that is 4 days old, and its already building the 2nd node.

Keep rollin Chaos, great thread bro. Lookin monstrous,lol

ChaosHunter said:

Bleached from QBs is a white or very light yellow, I may have been on the verge.
Always a fan at the canopy and one under, always.

QBs are CalMag hogs, coco is a CalMag hog add to that my tap is 40-60PPM
QBs alone you need to have CalMag ready no matter what your water PPM or nute line is. Even though Maxi had it in it I still needed a full dose per gallon.

I think it a minor cal deficiency, if the grow was properly groomed it wouldn't need so much at this stage. Odd as it sounds this is why I grew this way is so I can see what MC can and can't do. It's impressive that it stood alone with nothing else needed up to this point.

You still have to play with MC, the feed chart is solid but not every strain will go up to 6g per gallon. Some are heavy feeders and some light. If I can eliminate a shelf full of bottles I'm all for it.

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http://www.growweedeasy.com/calcium-deficiency-cannabis

Its definitely a Cal deficiency, I did add 1/2 mil per gallon at the last rez change but up to this point its been nothing but MC. Every grower that uses COB LED should have some on hand anyway.

InTheValley said:

man, I love the ease of MegaCrop. Mix a month of MC, put it in a Igloo cooler, or large cool-aid container for easily fill a bottle to feed. ( small grow ofcourse ) is just awesome. I have 3/4 full containers of AN PHPerfect nutes, and FF Nute line barely used. How do we get rid of this stuff saftly? I will never use anything other the MC, Im hooked for ever now on this stuff. LOL..

Im 14 days into flower ( first pistol sighting 14days ) and they seem about 1 week ahead of usual. Im sure its a combination of my Light, and the MC, annnnnd maybe the air injection Im using, but man, she is growing fast, and already has Trics on the buds at 14days.

Im only running 200ppm of the MC on her also, because Im in Hotsoil as it is, but not seeing ANY problems thus far. I have a seedling that is 4 days old, and its already building the 2nd node.

Keep rollin Chaos, great thread bro. Lookin monstrous,lol

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I took a lot of my unused line and samples back to my hydro store, they have a freebee bin that's always loaded. What I keep I use for my flowers and veggies during the season. I'm completely sold on Green leaf nutrients and it will be my new standard. Its not the cost or complexity of the other lines its that I only grow out one or two plants at a time. Liquid nutrients go bad on me before I can finish them.

ChaosHunter said:

http://www.growweedeasy.com/calcium-deficiency-cannabis

Its definitely a Cal deficiency, I did add 1/2 mil per gallon at the last rez change but up to this point its been nothing but MC. Every grower that uses COB LED should have some on hand anyway.

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If you aren't getting nutrient burn, you can raise the MEGA CROP dosage as well, since its 6.5% Ca content. So higher dose = more Ca.

Is it only 1 leaf with the deficiency?

I agree it doesn't look like Mg deficiency

that leaf problem is very late stage of mag problem. notice your purple stems,..these ladies are asking for some mag!

how close are your lights? seems to me like to much light and to little mag! that purpling in the stems is dead giveaway.

bothers me how much people just say things just to say things...im sorry you have been misinformed. the 4 main things people fail with are to much light to much nutrienrs over watering and not enough calmag.

rastadred22 said:

that leaf problem is very late stage of mag problem. notice your purple stems,..these ladies are asking for some mag!

how close are your lights? seems to me like to much light and to little mag! that purpling in the stems is dead giveaway.

bothers me how much people just say things just to say things...im sorry you have been misinformed. the 4 main things people fail with are to much light to much nutrienrs over watering and not enough calmag.

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hi rasta, thanks for the input! Which picture are you referring to that is too much purpling? Can you quote or link it if possible.

ChaosHunter said:

Pic update a day early as I may not be around the girls for a couple of days.

Tap water and 6g per gallon of MC


View attachment 4047364 View attachment 4047365 View attachment 4047366

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Hey, if you zoom into this picture you can see the stems of the fan leaves are purple. This is a sign of slowing of growth... i.e some processes of photosynthesis arent going to be completed. Easily feeding a calmag solution or an 'epsom tea' shall fix this. Generally when you have purpling like this. Its either 1. Genetics....aa some strains do this...but not im the way your garden is. 2. Magnesium. Or 3. Phosphate.

As I e stated many time during this grow it is a test to see how well MC can stand on its own in well optimized conditions. I'm more than well aware of the purple stems and what it means.

COB quantum lights will cause CalMag problems. My goal was to see where MC legs are at for me in my conditions. This grow is not a show and tell it's a grow and test.

I can not increase the dosage of MC "I'm at 6 grams/gal" because I have the start of tip burn. Instead I added MagCal at 1/2 dose this Rez change. This is the kind of information I'm looking for in this test and hoping other take away from it.

Yeap Chaos, I already adjusted and at 1ML CM per gallon, seedlings showed signs early of needing.

ChaosHunter said:

Hey guys thanks for chiming in, all good info and discussion. I've been doing it indoor since late 80s and have seen my share of issues. This was a throw together grow for testing out some new inputs, soilless mix and a new nutrient.

My tap water is 40-60 PPM and always have needed CalMag. Add a new soilless mix with Quatum light and environment on lock down I'm impressed Mega Crop has stood on its own.

This grow isn't a reflection of what I normally produce. I do production runs with standard strains pulling up to 2.5g per watt. Sometimes I want to mix it up and run some boutique strain not worrying about max yield.

The leaf affected under the scope looks burnt, under the lead looks just fine. It was only one leaf affected. I raised my lights and added 1/2 mil per gallon of MagCal.

Most of this will be made into vape oil. I have years worth of stash stored away so I'm not stressing it.

Stay Lyfted !

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I missed this post. 2.5 gpw is huge! I'm lucky to get 1.

InTheValley said:

Yeap Chaos, I already adjusted and at 1ML CM per gallon, seedlings showed signs early of needing.

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Interesting, how many grams per gallon of MC for your seedlings ? I started mine out at 1g gal and now there up to 1 1/2g a gallon and soon I will go to the recomended 2g a gallon.

I recomend to anyone is bring up the grams per gallon to what your plants like. In my case into late flower at 6g per gallon I can not add more due to ever so slight tip burn.

Even if everything looks good on the surface growers should look at there plants with at minimum a magnifying glass, get in there and look at the leaf surface. You can spot oncoming issues and get them handled before they start. This is how I caught the cal deficiency and it threw me off as I always see a mag dif first with QB COBs. I could have lived with purple stems this late into flower.

There is really no guidelines as to how much to feed MC as every strain is diffrent. Add the fact that MC has added supplements and additives you can't really go by PPMs. The feed chart is spot on though I would only use 1 gram a gal for new seedlings and go up 1/2 gram from there.

Hey Chaos, I started at .50g P/G. I will raise to 1g when the 3rd node forms,(tomoorow, 6day old seedling).. I use coco/kindsoil/FFOF mix, so MC is really supplemental for the seedling.

On my flowering plant, It will get just 1g per gallon till its done. It is in Kindsoil/FFOF mix. SO again, supplimental more-less. Tinnnny bit of white tips, but seemed for just 1 day. Growin buds nicely tho.

I have 2 Fire OG seeds that will go just into coco and MC tho in a few days. SO that will be the true test for sure..

Seedling is growing like crazy. Im going to top it in 2 days. @8 days old, LOL.. Its a fast vegger it seems. I had 4 of these seeds growing like 3 weeks ago, and they got to 30inches tall in 2 weeks. Soo , I would like to cross this with my current flowing plant, because I love the current flowering style of bud, but slow veg growth, and the cross might get the best of both..

InTheValley said:

I have 2 Fire OG seeds

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And how exactly did you obtain these?!?!?!?!!?

a mongo frog said:

And how exactly did you obtain these?!?!?!?!!?

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Bagseed. I had a bag of FireOG, and it had 1 seed in it. I grew it out, and got 5 more. These might not even crack, they were smallish, boarderline triable. ( my avatar pic is of that grow )

i have 1 sprouted, but its growing realllllllllllllllllllllllly slow, like the 2nd set of leaves are strugglin. lol, its a pitty watching her try. But she isnt givin up., just needs to get thru this,lol..

@ChaosHunter nice grow! Looking forward to the end results from this test grow

InTheValley said:

Bagseed. I had a bag of FireOG, and it had 1 seed in it. I grew it out, and got 5 more. These might not even crack, they were smallish, boarderline triable. ( my avatar pic is of that grow )

i have 1 sprouted, but its growing realllllllllllllllllllllllly slow, like the 2nd set of leaves are strugglin. lol, its a pitty watching her try. But she isnt givin up., just needs to get thru this,lol..

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So did you get the bad from a shop or the streets? Very interesting story you got going on there, being fire og is one of the best strains ever!!! How good does it smoke?

Seedlings and pre teens take a lot of moisture from the air "vegging too" once your able to dial in and hold RH and temps you will see an increase in growth. I utilize a heater, heat mat, dehumidifier and humidifier all connected to controllers "cheap ones" and can lock in any conditions I want throughout the growth phases, even drying after chop.

Always keep perfecting your systems and make everything more efficient for yourself and your plants. In March get flats of flowers and veggies going for summer, seeds are cheap and give away some started plants if need be. Utilize your grow space and get proffered the as a grower "and eat lol" at the same time. An Hierloom tomato,pepper etc plant in a solo is a nice gift to friends.

a mongo frog said:

So did you get the bad from a shop or the streets? Very interesting story you got going on there, being fire og is one of the best strains ever!!! How good does it smoke?

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street, and I ran into high humidity and couldnt get it down, and in fear of mold, I chopped it at like 40 days. JUSTTT starting to milky trics.

Chaos, just puttin in this pic to show this FIreOG at 33 days flower, under my modded mars300. She got tourtured under CFLs and a tiny butter bowl for 2 months, the transplanted into kindsoil and FFOF and used the Modded mars to flower. With the right lights, nutes, and everything, Im sure it would of beasted out.

i'm in and sold on MC, thanks for the tip @ChaosHunter

nice, thick looking buds