Hydro-Logic HL22121 Hydrologic Stealth-RO150/300 RO Membrane, 1 Count (Pack of 1), Black

Hydro-Logic HL22121 Hydrologic Stealth-RO150/300 RO Membrane, 1 Count (Pack of 1), Black


  • $59.29

Hydro-Logic HL22121 Hydrologic Stealth-RO150/300 RO Membrane, 1 Count (Pack of 1), Black

    This fits your .
  • by entering your model number.
  • Stealth-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 water’s ppm the 150 is filtering out (rejection %). You should see approximately 98% of the inlet ppm’s being removed when the membrane is New. If the rejection % falls under an acceptable level (typically 90%) it time to change the membrane.
  • 2. When the flow rate of the product water slows down significantly. This can also happen if your pre-filters are clogged. If you change your pre-filters and the product water still flows slowly then it’s an indication you need a new membrane.