Hydrologic Polyethylene Tubing, 25', White, 1/2" Garden Boost Sale It is equivalent in size

It is equivalent in size to a 6" x 6" x 4" rockwool block

How it works: SNS 209's unique formula works by allowing the plant to uptake a small amount of rosemeric acid from the rosemary plant

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

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

Hydrologic Polyethylene Tubing, 25', White, 1/2" Garden Boost Sale It is equivalent in sizeHydrologic'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.