As those of of use who use the LQ that get WS know, you need to clean your parts every couple/few weeks with a muriatic acid solution. For the #### of it, I tried something a little different. I unscrewed the top of the flow meter and sprayed a small amount of Descaling spray that I had in there. The plastic turned clear from a milky white. It appears that this may be a reasonably safe and easy way to stay on top of the WS in the flow meter. I'm sure though if you have WS, you will still need to clean the floats, but at least the main part of the flow restriction through the flow meter can be more easily maintained without taking everything apart.