Alvin Posted May 20, 2011 Share Posted May 20, 2011 Got to know about OPT products through KC & seech(Official Distributors for OPT in Malaysia) blogs. Bought a bottle of ONR from them and its awesome. Sometimes we don't have the luxury here to get really clean and soft water. ONR solves it. But I used filtered water for my ONR mix just to be extra safe. Link to comment Share on other sites More sharing options...
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