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Clawing is the one of the first stages on nitrogen toxicity. Don't feel like a noob for asking questions it's how we all learn and grow as growers. Have a read here it's great info and has helped me loads.
Cannabis Plant and Pest Problem Solver - Pictorial
Looks like you have some mild clawing on number 5 as well I'd say at the moment you have two options give a flush and cut back on the nutes a hair or start giving the nutes at same strength just every other watering giving phed water in between. Also if you took closely at the tips of number two you will notice an almost glossy texture of the tips which I found was the first stage of clawing i had the same thing happen to me just cut the nutes down a little check the temps at canopy. Looks spot on tho man really clean setup
For the 3 older plants I actually did use mh bulb for the beginning of there lives. The reason they are stretched is due to me having the light too far away. I had the light about 2-3 feet away from the plants when they should have been 12-18 inches away. The reason why I switched the entire tent to HPS is because the older plants were flowering. Lessons learned on that one as far as ensuring the light is close to the plants to prevent stretch. Good call out!have you thought of using a mh bulb for the beginning of there lives it would cut down the stretch a bit
86 is kinda high. I'm planning on switching to led as well make sure that when you do you find a good cal/mag your plants are gonna use it fast in the soil. I'm gonna use alg-a-mic a organic seaweed mix from biobizz.
spart said:Yeah calcium/magnesium for some reason while using led the plants seem to use it up way quicker then with hps
I can tell you that my own RH has been extremely low throughout my grow and it hasn't seemed to be a huge negative.
that's an awesome idea hanging the normal floor fan from the ceiling like that. I would suggest using some twist ties,o-rings to keep it there
Well normally it's the trichomes turning amber colored that will dictate when to stop nutes and start to flush. Give this a read as well if you don't already have get yourself a magnifying glass.
Pictures on when to harvest - Trichome colours
Look at you and your fancy light! And great set up! And perfect color of paint on your walls! (I notice all the details...)
Seriously - very impressive. This is going to be fun to follow!