Into the 3rd week and this is day 21. They've had a few feeds now of 1.5ml/1L grow and i decided to hold out on using the cal/mag until they're in flower.
Is there a good way of telling when to switch to my 2700k CFLs and bloom nutes? I've always just guessed.
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Is there a good way of telling when to switch to my 2700k CFLs and bloom nutes? I've always just guessed.