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False-high reading due to cyanuric acid Cyanuric acid (CYA) titrates as total alkalinity when CYA is greater than 30 ppm. Adjust for this by subtracting 1/3 of your CYA reading from your total alkalinity reading to get the correct alkalinity value. For a more detailed explanation, refer to page...

im having an issue with chlorine demand upon opening this year. pool was opened last Monday and swg can not keep up with chlorine so I have been manually adding bleach. current levels are: FC 7 PH 7.5 AK 80 CH 310 (will be adding) CYA 70 I did go to the pool store to have a phosphate test...

when I backwash I have to run that flimsy hose in a large arc to a 90 degree change of direction. sometimes is goes without a hitch but most of the time it ends up flailing around, kinking and then splitting. then I have to shorten it. I though I had it figured out last night, I bought a 2"...

I am planning on shocking slamming pool this weekend. I have been keeping fc 1.5-2 for a couple weeks dealing with scale. (as per instructions on product purchased). latest number are: fc 1.5-2 cc 0.2 (a week ago) ph 7.6 ta 65 ch 300 cya 70-80 its a 31k gallon plaster salt pool. I have never...

I have to turn off my swg for 2 weeks while I try scale tec to remove scale(described in another thread). instead of using chlorine tabs, I was going to use bleach. is there anything I need to know before I do this? do I just use the Clorox I have in the laundry room? or is that not the...

new member here, I thank you all in advance for any help you can give me. I had a new gunite 31,000 salt pool installed last year with colored plaster. upon opening this year, when I felt the bottom on one of the steps, it felt like sandpaper. I rubbed it and some clearish crystals rubbed off...