HydroLogic Stealth RO Membrane Element

Description

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 100 ™ 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’s 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.

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