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magnesium sulfate and potassium sulfate
No residues
The 60Pot and 60Pot XL both use 3
Don't cut corners on your greenhouse coverings
*Drench rates are 125-250 gallon solutions per 1
Grow1 Ebb & Flow Fill/Drain Fittings, 1 Inch - Pack of 10 Rockwool Hydroponic Growing Medium magnesium sulfate and potassium sulfateMade from super durable, high quality plastic thats heavier and thicker than the competitions, these threaded Ebb & Flow fittings are the superior choice for your reservoir and flood table irrigation setups. Sold in bags of 10.
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