Agrodynamics Horticultural Rockwool - 22lb Bail of bulk rockwool. Good nutrient to air balance. Great for hydroponics.
Rockwool is basically a spun molten basalt rock. This product was not formed and cut like the cubes. Instead it was bailed. It is used to fill pots and used for the main growing medium. Works great!
Your Price $40.94 / each Estimate Shipping · Price Match
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— Ships separately from Portland, Oregon USA