Grower's Edge Block Covers 4 in (40/Pack)
was $10.95 Special Price $9.31
For blocks of rockwool and other grow media. 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.
Write Your Own Review