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Amazon.com : 1.5" Grodan Rockwool Cubes for Seed Starter (98 Hydroponic Plugs) + The Hydroponic City Stakes : Patio, Lawn & Garden
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ROCKWOOL R-23 Comfortbatt 5-1/2 in. x 15 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (39.8 sqft) RXCB551525 - The Home Depot
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