Liquid high pH reverse osmosis membrane cleaner for removal of organics, biofilm, iron & various heavy metals.
Store in cool, dry and well ventilated area. Keep containers closed. Wash contaminated clothes before re-use. Wash thoroughly after handling. For more information, see the Safety Data Sheet provided with this product.
The cleaning solution should be prepared using RO permeate that is free of residual chlorine or other oxidizing agents. Add 2 gallons of AWC C-237 to every 100 gallons of water (2 % solution). Adjust the pH in the range 11–12. Send the first 20% of the solution to drain to displace any residual feed water in the system, and then begin circulation. Do not exceed pressures, temperatures and flow rates recommended by the membrane manufacturer. Cleaning efficacy can be further improved by heating the cleaning solution and alternately circulating the solution for 30 -60 minutes and then soaking the membranes for 30 – 60 minutes. This should be repeated for a total of 4 – 6 hours of total contact time. The pH range should be monitored every 30 minutes throughout the cleaning. When pH drops below the desired range, it should be adjusted by adding more AWC C-237.
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