San Rafael, CA United states Jan 27, 2015 Add bookmark #three Have you been sure you were not employing sodium persulfate (not monopersulfate)? This is not the same as potassium monopersulfate. The concentration is likely to get distinct so you need to dose by diverse quantities. Sodium persulfate will likely https://pool.net/gartenpool-300-x-125-cm-komplettset.html