Block Covers 4" & 6"
714820 BLOCK COVERS 4IN $8.49
714822 BLOCK COVER 6IN $16.49
714822 BLOCK COVER 6IN $16.49
.•For blocks of rockwool and other grow media.
•Blocks light from media— reducing algae and pest problems.
•Use white side up to reflect light.
•Use toothpick to hold cover in place.
•Sold in pack quantities only.
.
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Chillers, Heaters &
Purification
Fertilizers, Nutrients
& Supplements
Fluorescent & LED
Grow Lights
Greenhouse Supplies
Growing Accessories
& Beneficial Insects
Growing Media
Hydroponic
Greenhouse Supplies
Pest & Disease Control
pH/EC/TDS Meters
Pots / Containers
Propagation
Pumps/Irrigation
Seeds
Sprayers and Wands
Timers &
Instruments
Trays/Reservoirs/
Grow Systems
Ventilation / AC
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Green Earth Co. Melbourne, Florida
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