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I recently installed a Hayward SWG. It recommends CYA level of 30-50. I see that the Pool School recommends a much higher CYA of 70-80. I have used a five gallon drum of acid in 6 weeks which is almost a pint a day. I have now gone with TFP advice and .. Upped the CYA. Got TA in recommended...

I have been using TFP for a couple of years now and have not had a green pool for a long time :). All I do is use a Taylor 100 kit and test for chlorine and PH every morning and add bleach acid as needed. Very occasionally I do a full test but all it tells me is what I already know! However...

I have been using the TFPC method for nearly a year and can vouch that it works! However it is a daily time consuming operation and expensive in Chlorine where I live in Barbados (US$6 gall.). Also when I am away for a couple of weeks the pool invariably goes green despite leaving explicit...

What effect does each 3" tablet have on CYA level and FC level in a 11,500 concrete pool? I cannot work it out from Pool Math. I wanted to put in a couple of tablets while I am away for the weekend. My CYA level is 40 so I think I can do this without a problem. Just not sure and effect on FC as...

I am looking for a new pump as my Hayward 1HP is rattling . Interested in variable speed. My fuel costs are 32cents a kw. What are the advantages of variable speed and are they more expensive?

I have notice that when I do the CC test and get a 0.5 or lower reading but then leave the resulting clear liquid for 10 minutes or more that it goes a very light pink. What does this mean?

Over the last 12 years no pool company I have hired has been able to keep my pool from going green. In exasperation I turned to the internet and found your site. I used some AquaCheck pool strips that the pool company kept in the pump room. Sure enough the Stabilizer reading was 300+. I am...