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I started out with 29 oz's to see what happens. I never add all that's needed at one time. I reentered the data into the app and still comes back 29 fl oz. I just think it was strange that the app and the calculator didn't agree. Not even close.

Tested pool this morning. Findings: Pool size 15300 gallons FC – 6 PH – 8.2 TA – 140 CH – 190 CYA – 50 Borate – 45 Salt – 3600 Temp – 81 Trying to drop PH down to 7.4. Using Web based pool calculator it calls for 115 oz. of 31% Muriatic Acid. Checking effects show lowering of PH by 1.81. To...

Background: A month ago I replaced my liner, which was 10 years old, and ordered TF-100 refill kit which I use daily. Three weeks later, after everything stabilized, I started looking at my pool results closely. Results were close, but I wanted some validation. So one fine day I took four pool...

I could convert this over quickly by putting a tee, and piping, on top and drilling a zillion holes. My intent was to build it quickly to see if it worked. 17 minutes build time for each was fairly quick. I like the graph paper approach, but that takes time which I didn't want to do today. Too...

I’m an engineer with “how hard can it be” attitude who decided to do something quickly about the 91 degree water temperature.. Went to the big box store and purchased all pieces and parts needed. The design came to me as I was looking at all the plumbing parts. Looking at the picture of the...

I built our pool (18,000 gal) around the 4X suction 5 years ago. Suction piping for cleaner, skimmer (1) and bottom drains, each have a valve to regulate suction, they all tie in before the strainer on a 1HP WFDS-4 Pentair 2speed pump. Run high 4 hours and low 8 hours daily. Never had any...