I am having issues with my liquidator developing build up in the lines. I am not sure if it is scale or salt buildup. My pH levels are around 7.4 and chlorine around 3 ppm. Calcium is a little high around 300. I have had liquidators for five years with no issues, but lately it is a daily hassle needing to clear lines. The flow meter and valves also get clogged and stop or reduce flow from the build up. Please help!