Hydrologic stealthRO Low Pressure High Flow Membrane 200 GPD pumps-and-irrigation-supplies guaranteeing the user's safety and

guaranteeing the user's safety and preventing premature ballast failure that can occur in other brands due to inferior plug designs

and Ultra PK for optimum results

Phat Filters are packed full with the very best carbon on the market… and we have the independent lab test numbers to prove it

The open design allows airflow for air-root-pruning and makes the trays easier to move around the nursery

Hydrologic stealthRO Low Pressure High Flow Membrane 200 GPD pumps-and-irrigation-supplies guaranteeing the user's safety andRevolutionary new membrane technology with increased flow rate and the ability to run at pressures as low as 20 psi. Overcomes the high viscosity effects of cold water.