Grower's Edge Block Covers 4 in (40/Pack)
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Original price $14.50 - Original price $14.50
$14.50 - $14.50
Current price $14.50
For blocks of rockwool and other grow media. Grower's Edge® Block Covers block 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.