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$10.01
Grower's Edge Block Covers, 4 in - Pack of 40—
$10.01
The Story
For blocks of rockwool and other grow media. 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.
Description
For blocks of rockwool and other grow media. 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.
