Application: pH+ is a buffering solution that can be used to regulate the acidity in both the growth and flowering phase. pH+ contains Potassium to ensures that your plants grow tall and strong. 28.2% Potassium hydroxide (KOH), Specific gravity 1,33 Kg/l. Dose: Ready for Use Instructions: In order to adjust the pH, add pH- 1ml at a time [ 10ml for 200l solution tank ], have the water circulate well, check pH value. Repeat until the correct pH has been obtained: Soil [ 5.6 - 6.7 ], Hydro/Cocco [ 5.7 - 6.4 ]