I'm feeding them a 2 part hydro formula called Eco grow. I feed them 10ml of each per 4 litres of water. I don't know the temp or humidity values. Does it look like heat stress? I just can't understand why 1 looks healthy when they are all same strain under the same conditions.
I have 3 plants growing in an nft hydro kit under a 250w hps light. I have noticed weird variations in all of them that I have not seen before. I keep ph at a constant 6 and have recently just flushed them with ph altered springwater. 1 plant is showing deformed/ twisted new growth however the...