RO systems

This is so the water has room to flow through the polyphosphates

5" Excellent filter to add ahead of an existing unit when you have an excessive amount of chlorine of chloramines

Filter Change Instructions

PH-200 Waterproof PH Meter Parts RO systemsPH 200 Waterproof PH Meter Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more. Standard Features FEATURES Measures pH and Temperature Auto ranging three point calibration with digital fine tuning Includes storage solution in a sponge embedded