No Mor Problems can sometimes interfere with chlorine readings. If that happens, don't shock. Just chlorinate as normal until the reading returns. It can take up to two weeks for chlorine readings to fully stabilize. You will not grow algae in the ...
After using Pool Stain Treat and the stains are gone you can raise your chlorine. We don't recommend you shock, but rather increase your amount of regular sanitation to slowly raise levels back up and avoid stains from returning.You can find more ...
Copper Staining looks like blue to green stains flush with the surface. To remove it, we recommend Pool Stain Treat. You can find detailed instruction on the Directions tab of the Product Page.