Pay in 4 interest-free payments of $25.22 Learn more
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
ETL listed / Energy Star approved
There is a very low risk to beneficial organisms
improves soil health
With three roomy pockets
ETL Item # Description Product Dimension Net Lbs
Growth Science Strength - 6 GAL / 23 L grow-systems-trays-reservoirs ETL listed / Energy StarGrowth 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
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