Hydro-Logic Cartridge DI Size:Big The housings are made of

The housings are made of steel with a durable powder-coated finish

and the planet

Each level contains an adjustable center strap for added weight support

Blossom Blaster™ is designed to provide the nutrients necessary to support prolific flowering and bud filling for high quality yields

phosphorus and potassium

Hydro-Logic Cartridge DI Size:Big The housings are made ofDe ionization post filter cartridges have a mixed bed of color changing DI resin. The housing is translucent so you can see the resin color. The cartridges reduce phosphates, nitrates, silicates and TDS. Change filter when media changes from green to orange. Cation and Anion DI resins 50 50. #741614 is 10 in x 2. 5 in and has maximum of 0. 25 GPM flow rate for an estimated life of 7,500 ppm. #741616 is 10 in x 4. 5 in and has maximum of 1 GPM flow