Pay in 4 interest-free payments of $25.22 Learn more
Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
There is a very low risk to beneficial organisms
ETL listed / Energy Star approved
improves soil health
NO DYES (Why do others add dyes
High cation exchange capacity
Growth Science Strength - 6 GAL / 23 L grow-systems-trays-reservoirs There is a very lowGrowth Sciences Strength is a silica supplement designed to strengthen cell walls. Strength was specially formulated to work with the Growth Science nutrient regimen to reduce stress while providing additional potassium at the early flowering stage to help the plant meet increased nutrient demands. Why use Strength? Silica is a necessary element in plants that is often overlooked. Silica strengthens cell walls and gives plants sturdy stalks and stems
