Grower's Edge Block Covers 4 in 40/Pack

was $9.95 Special Price $8.46
In stock
SKU
714820
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.
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