{"product_id":"hydro-logic-stealth-ro150300-ro-membrane","title":"Hydro Logic Stealth-RO150\/300 RO Membrane","description":"\u003cp\u003eStealth-RO150\/300 RO Membrane reduces 89%+ of PPM of total dissolved solids.\u003c\/p\u003e\n\u003cp\u003eThere are two indications as to when to change your membranes.\u003c\/p\u003e\n\u003cp\u003e1. 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's time to change the membrane.\u003c\/p\u003e\n\u003cp\u003e2. 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.\u003c\/p\u003e","brand":"Hydro Logic","offers":[{"title":"Default Title","offer_id":46355621970005,"sku":"nxn1791994919377","price":129.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/9631\/2149\/files\/hydro-logic-stealth-ro150300-ro-membrane_1.jpg?v=1791994949","url":"https:\/\/www.novvero.com\/products\/hydro-logic-stealth-ro150300-ro-membrane","provider":"My Store","version":"1.0","type":"link"}