Grower’s Edge® Block Covers

$9.95$17.95

For blocks of rockwool and other grow media.

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These Grower’s Edge® Block Covers blocks light from media—which helps reduce algae. Use white side up to reflect light. Use toothpick to hold cover in place. Hole in center of cover measures 1/2 inch in diameter.

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Size

4 in, 6 in

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