Hydro-Logic Blue Tubing 3/8" x 50ft for Hydroponics PhotonTek That is about a pound

That is about a pound of dry plant material sitting in the dark

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Inside Dimensions: 46" x 94" x 5

Hydro-Logic Blue Tubing 3/8" x 50ft for Hydroponics PhotonTek That is about a poundHydro Logic Blue Tubing 3 8" for RO and Filtration Runs This Hydro Logic line is a 50 ft roll of blue polyethylene tubing built for reverse osmosis and water filtration setups. The 3 8" OD pushes into standard quick connect fittings, so runs go together without clamps or glue. It resists kinks, which keeps pressure steady from the filter to the reservoir. Cut it square and it seats clean in a push connect collet for a leak free seal. Growers use it to