On some of my young plants, the newly formed leaves comming out from the centre are turning a slightly purple colour, they are all doing it, so maybe it is genetic. COuld somebody tell me what they think this might be please, i dont want them to die!
My temperature ranges from 77-90 (day) night it falls down quite far to around 60-67.
Humidity is 40 - 55 (day) and night 45-50. (i think)
do these sound ok to you, because i have spent all my money on lights and fans, and still it isnt changing that much. will they be ok?
I have put some homemade co2 in there, if that helps at all?

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