Hydrofarm 6" Rockwool Block Cover, pack of 40

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2026_06_06_3105785

Hydrofarm 6″ Rockwool Block Cover, pack of 40

Original price was: $21.09.Current price is: $6.32.

SKU: 8091487207658 Category: Hydrofarm

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Description

Block light from media.
Reflect light to plant leaves – where it’s needed most.
Eliminate algae and mildew growth.
40 dual-sided block covers per pack

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