Grower's Edge Block Covers, 4 in - Pack of 40
For blocks of rockwool and other grow media. These Grower's Edge Block Covers blocks light from mediaāwhich 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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Shipping & Returns
Shipping & Returns

Grower's Edge Block Covers, 4 in - Pack of 40
Grower's Edge Block Covers, 4 in - Pack of 40
For blocks of rockwool and other grow media. These Grower's Edge Block Covers blocks light from mediaāwhich 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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
For blocks of rockwool and other grow media. These Grower's Edge Block Covers blocks light from mediaāwhich 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.























