Hydro-Logic ARCS Stage 2 Heavy Metal Reduction Cartridge Air Purification and Filters The lid has alpha numeric

The lid has alpha numeric symbols formed directly into the plastic

Cali Pro® is rich in phosphorus

Match the pre-filter to your Black OpsNutrients Carbon Filter size

Simply attach the nozzle to the end of your hose and away you go

It delivers the essential elements to the roots of a plant in a more precise manner

Hydro-Logic ARCS Stage 2 Heavy Metal Reduction Cartridge Air Purification and Filters The lid has alpha numeric#741608 ARCS Stage 1 Replacement Poly Spun sediment filter reduces rust, silt, dirt, sand and sediment. Change every 5,000 gallons of product water. #741610 ARCS Stage 3 Replacement pH Neutralizing Remineralizing Cartridge to balance out and stabilize the pH. Replace every 10,000 gallons of product water. #741612 ARCS Stage 2 Replacement Heavy Metal Reduction Cartridge to remove heavy metals. Replace every 10,000 gallons of product water or as needed.