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Grodan is unique by making different types of fibers
vigorous growth
Allow 5 minutes mixing time in between fertilizers
It is reusable
Grotek - Pro-Silicate Size:1L Grodan is unique by makingPotassium is an essential element in forming plant structure. Pro Silicate provides both potassium and silicon. Silicon is the building block of plant cell structure. All plant cells require a certain amount of silica in their outer wall. It provides a rigid wall, which, along with calcium, helps keep plants from bending under their own weight. SHAKE WELL before using. Pro Silicate is a strong base and should never be added to nutrient concentrates.