Hydrologic Polyethylene Tubing, 25', White, 1/2" Garden Boost Sale Ideal for air movement from

Ideal for air movement from an air pump to air stones

The composition is long-chain open organic acids and amino acid groups with high molecular weights

New and improved wetting agent and hydrophilic technology greatly enhances the water characteristics of Grodan Gro-Blocks Improved giving even better water distribution over the height of the block

Builds the foundation of root and leaf mass needed for superior harvests

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Hydrologic Polyethylene Tubing, 25', White, 1/2" Garden Boost Sale Ideal for air movement fromHydrologic's reverse osmosis filter tubing in white. Sold in lengths of 25 feet with an outer dimension of 1 2" and an inner dimension of 3 8". Extra tubing can be useful for customizing your indoor hydroponic water filtration system. Also available in 50' lengths in black and blue, 1 4" and 3 8" outer dimensions.