Sunleaves Garden Products® Block CoversDual-purpose Sunleaves Block Covers reflect light back towards plants in addition to protecting them from algae growth. Black on one side and white on the other, these block covers will work with any media, although they are designed for 4" and 6" stonewool cubes. There are 40 covers in each pack. Sunleaves Garden Products® is a registered trademark of Worm’s Way, Inc, AKA Sunleaves Corp. |
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