If you're having troubles finding pH down, you could always try an Aquarium supply store.. usually they have acidity control liquids that are animal/food grade.

Doesn't ProMix Bx have dolomite lime premixed in ? Either way , i'd continue to water 6ph and allow the soil to come down .. flush all plants with ph balanced water and allow them to recover
BobBong Reviewed by BobBong on . How do I fix my ph problem? OK ive been growing in Pro-Mix BX (soilless mix not soil). My plants are around 60 days old and have been in flowering for 2 days now. Few weeks ago I notticed something was wrong with my plants. The leaves are all spiny and twisty. So anyways I was told to leech my plants with ph corrected solution but I did not have ph down or up at that time so I just flushed my plants with my tap water which has a ph of 7.2 hoping it will help. Well that didnt really fix the problem of my ph. So i got some Rating: 5