Now you can get BioGreen's pH+ in Alchimiaweb, a product formulated to raise the pH value of your nutrient solution.
It is made from 20% KOH/K2CO3 , and will raise the acidity of the solution in case of need (around 5.5-6.5 pH). Suitable for soil and hydroponic systems.
Just add a few drops of pH+ and check the value with a pH meter.
Keep away from frosts.
