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coarse perlite
Made from premium Japanese components and technology
The enhanced fiber-to-dust ratio provides excellent oxygen flow while still holding enough moisture for strong plant growth
Microbial inoculants
Lightly pinch the opening closed or cover it with a small piece of plug material when the seed requires darkness
Grow1 Black Vinyl Hydroponic Tubing, 1/2", 100' Deep Water Culture | DWC coarse perliteGrow1 Black Vinyl Tubing (ID) 1 2" (OD) 5 8" 100 ft Made from strong and durable vinyl material, these tubes are available in a variety of sizes and lengths, great for use with air or water. The tube walls are thick and flexible, and you may choose between the 100% opaque black vinyl, which prevents algae growth, or the clear vinyl that allow for complete visibility. Inner Dimensions: 1 2'' Outer Dimensions: 5 8''
