Start with a composted humus based soil rather than peat based. The pH is much more stable over time, as the humic acids act as a buffer.
I have a question; how long did you let any given plant remain in the same pot without re-potting?
stinkyattic Reviewed by stinkyattic on . The PH battle I am almost nearing the end of my first grow, last night I couldnā??t sleep thinking do I want to do this again? Well NO, but no one should expect perfection so Ill give it another try. . . I have battled low PH from day 1. If I set it at 6.5, in 24 hours its under 6.0. Double check by using the meter and the drops it plunges. So I used the entire bottle of PH UP in just over 9 weeks and I opted 3 nights ago to use Baking Soda to raise the PH. Using warm water and baking soda, Rating: 5