My water has a ph of 6.8. It's too hight? What the best ph?
Yes..but the ph of the soil is hight however.. I'm asking becouse my plant is sick..and (check my previous thread) I understand that my prblem is the ph lock
Lemon can do the same?
Yes..but I checked that most of ph- product are made from lemons...so..I've lemon trees...what about pH up/down? the cheap bottles from a fish/pet store are like $3-$4...