Heat stress?

[MedScience]

I highly suggest you read a post I started last month.

Very interesting, that looks nearly identical to mine. However I am using 4 T5s, I figured I could never have a light stress problem with them, I had them less than 2" away while vegging plants currently in flower, and they looked incredible. However I did have them in a different environment with better ventilation.

 

[richyrich]

I did have them in a different environment with better ventilation.

That could be your problem along with a pH too low. Sometimes it can be a combination of problems instead of one. Tackle one at a time. Get your pH set and if the problem persists then look more into the heat. And then I would suggest coco specific nutes if the problem persists after that. Also, remember to have a runoff of at least 20%. This is very important!!!

 

[MedScience]

Yes I admit my runoff is very low/non-existent. Whenever I do water that much, it never seems to drink it all for 2 days, and figured watering less more frequently was better than a lot every few days. But that is really just me coming up with a good excuse to be lazy and not set up a way to catch waste runoff.

 

[Green-ninja]

with the pbp 7-10ml is for seedlings. try giving them 15 ml.

 

[MedScience]

Yeah this whole ph meter breaking really fucked me, I want to up the nutes but I am afraid of a big ph swing. I am going to call them tomorrow morning to see what is taking so long for the replacement..

 

[Jellyfish]

The liquid ph kits can be found in most aquarium/pet stores, fyi.