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.
Grower’s Edge Block Covers 4 in (40/Pack)
$14.78
MSRP:
$14.78
Our Price:
$8.18
| Weight | 0.1100 kg |
|---|---|
| Dimensions | 4.000 × 3.300 × 0.200 cm |
| Dim. Weight | 0.019 |
| Volume | 0.003 |
| UPC | 870883008376 |
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