Hydrologic Stealth-RO150/300 RO Membrane pots-and-containers They feature improved grooves at

They feature improved grooves at the base to promote better drainage

T Power Cord- interconnecting the two grow lamps

Planting mixes

Vibration-free operation

3 to 85 PSI and water flow range is 0

Hydrologic Stealth-RO150/300 RO Membrane pots-and-containers They feature improved grooves atStealth RO150 300 RO Membrane reduces 89%+ of PPM of total dissolved solids. There are two indications as to when to change your membranes. 1. Test the RO and source inlet water to see what percentage of the inlet waters PPM the 150 is filtering out (rejection %). You should see approximately 98% of the inlet PPMs being removed when the membrane is new. If the rejection % falls under an acceptable level (typically 90%) its time to change the membrane.