Ph+ up, Ph- Grow, Ph- Bloom are concentrated agents to reduce or to increase, the acidity of the nutrient solution. With the right degree of Ph the plants are able to absorb the maximum amount of nutrients contained in the watering. For Ph adjusters during the growth period, use the Ph- Grow adjuster and during the bloom period the Ph- Bloom adjuster.
+2 strains
+2 strains
+1 strain
