There are different schools of thought but I keep my ph the same.....5.6 to 6.2 and have never had problems with it.
Weedhound Reviewed by Weedhound on . pH in flower? Just switched my plants over to 12/12 today, pH is about 5.9 If I remember correctly the pH is supposed to be lower... What's the ideal pH range for hydroponic plants in flowering? Rating: 5