Rockwool Slabs |
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| These slabs are wrapped in plastic and are 3 inches thick and 36 inches long. They come in several widths. Even
large plants can spend their entire lives in these slabs.
GRODAN For detailed product information click: "MORE INFO" . Use your browser's back button to return. Europonic Rockwool Conditioner is a pre-conditioner that adjust and stabilizes rockwool for a maximum nutrient uptake. Block Covers block light from reaching the grow media to reduce algae growth, while reflecting light to the leaves. Black on 1 side, white on the other these covers do a great job protecting plants and promoting growth.
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