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SJPoe replied to the thread Thoughts On CYA Level VS FC.To clarify my post, as Duraleigh says, Slamming (which it looks like you're attempting) with a CYA so high is very difficult... -
SJPoe replied to the thread Thoughts On CYA Level VS FC.Cloudiness is not being caused by high CYA, it's probably being caused by Algae - because your CYA is so high and your FC so low. You...
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SJPoe replied to the thread Thoughts On CYA Level VS FC.Are you testing for those numbers yourself ? The CYA test is logarithmic, you cannot 'interpolate' between the marks and come up with 95...
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SJPoe replied to the thread Gallons per inch.If the pool is round Radius x radius x 144 x 3.14 Divide by 231 = US gallons E.g ( 18ft diameter = 9ft radius) 9 x 9 x 144 x 3.14 /...
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SJPoe replied to the thread Gallons per inch.Multiply Width in feet by Length in feet. Multiply that by 144 Divide by 231 E.g. 18x36 = 648 square feet 648 x 144 = 93312 cubic...
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SJPoe reacted to Megaman's post in the thread Almost perfect pool thanks to TFP / Pool Math with
Like.
Here is my pool 24hr after opening in New England thanks to TFP and Pool Math. Thank you to this community for teaching me the best way... -
SJPoe reacted to Everett_88's post in the thread Featured TFP Pool of the Month (May 2024); Theme - Family Fun with Like.
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SJPoe replied to the thread Can CYA disappear with decent FC level?.In my line of work, I deal with complex systems and troubleshooting always starts with 'what changed ?'. Everyone will tell me that they...
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SJPoe replied to the thread Can CYA disappear with decent FC level?.Occam's Razor - the simplest solution is often the right one. I had some 50ppm reference solution (R-7065) I was practicing with, and...
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SJPoe reacted to DD12's post in the thread New pool owner, cleared my black pool water thanks to TFP! with Like.
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SJPoe replied to the thread OCLT and Rain.You can do the math to see how much it will (not) affect you. 231 cubic inches to a gallon, so (W(ft) x L(ft) x 144 ) / 231 = US...
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SJPoe replied to the thread To protect the cover from deterioration, is it necessary to have the cover COMPLETELY off the hot tub after adding chemicals?.@mgftp posted a reply the other day that explains the relationship between CYA and FC for sanitation very well - worth a read
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SJPoe replied to the thread First 6 Months Observation.BTW - having just gone through this today (because it was nice out, and it was at the front of my mind) - take the opportunity to...
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SJPoe replied to the thread First SLAM.The more often you can test, and the more you can keep topping back up to SLAM level, the quicker the SLAM will progress. PH results...
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SJPoe replied to the thread First SLAM.3 gallons LC at 10% in 19,000 gallons = 16ppm 16 (calculated add) + 15.5 (measured PM) = 31.5 (expected PM) 31.5 (expected PM) -20.5...
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