Grower's Edge Block Covers 4 in 40/Pack[ 714820 ]

$6.55 $9.95

For blocks of rockwool and other grow media. These Grower's Edge® Block Covers blocks light from media— reducing algae and pest problems. 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.

Share this Product