Rockwool
Rockwool Block Cover, 6", Pack of 40
Rockwool Block Cover PLASTIC BLOCK COVERS Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks. Block light from media Reflect light to plant leaves where it's needed most Eliminate algae and mildew growth 40 dual-sided block covers per pack Reflects light back toward the plants Works great with GRODAN blocks Eliminates algae and mildew growth Blocks light from media Six inch square
$14.61
