Quote Originally Posted by Thothamon
The same as the PH of the soil, which CAN be anywhere twix 5.5 - 7.0
There are so many 'depends on..' though, like soil type,nuts type,strain type yadda yada
6.5 to 6.7 if all other info is unknown.
Not good info.
6.5 - 6.8 is the range for cannabis to grow happily in in soil.
Strain type and soil type are not important; while different strains do appreciate different nute levels, pH is fixed, and any deviations need to fall within this range.