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Grower's Edge Block Covers

Size: 4 Inch 40 Pack
Save up to $8.49 Save $3.78
Original price $14.78
Original price $14.78 - Original price $25.49
Original price $14.78
Current price $11.00
$11.00 - $17.00
Current price $11.00

** Online Only Price **

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.