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    GROW-HGCOV4
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    Rockwool Block Covers - 4 in.

    For Use with 4 in. Gro-Blocks - Pack of 40 - Hydrofarm HGCOV4


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    GROW-HGCOV4

    Rockwool Block Covers - 4 in.

    For Use with 4 in. Gro-Blocks - Pack of 40 - Hydrofarm HGCOV4

    The dual purpose, Hydrofarm HGCOV4 block covers are specifically used for 4-inch rockwool or stonewool gro-blocks. With the white side reflecting light back towards plants and the black side blocking light from the media, these block covers reduce algae, pest problems, and mildew, while enhancing growth proficiency. Pack contains 40 dual-sided block covers.

    Specifications

    Brand:HydroFarm
    Part No.:HGCOV4
    Use With:4 in. Gro-Blocks
    Length:4 in.
    Height:4 in.
    Width:4 in.
    Package Quantity:40
    Weight:0.2 lb.

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