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Is it normal for TA to increase after you've increased your Borates from 0ppm to 49ppm (13 boxes (988 oz) in 17,100 gallons pool) and then add enough muriatic acid (4 gallons) to bring pH back to 7.5? I started with 140ppm TA and now it is 200ppm. Using pool math, I thought that the TA was...

I thought the section that shows the "Effects of adding chemicals" used to show pH increase when adding bleach. Right now it is showing the decrease for using DiChlor/TriChlor, but not increases when adding bleach. Will the estimate for the pH increase return (if my memory is correct) or be added?

When I manually vacuum a messy pool when opening it for the year I either find myself wasting a lot of water on waste, or back washing a lot on filter. Next year I plan to restrict the waste flow with 5 ft of 1/2" or 3/4" pipe while vacuuming to waste. Has anyone tried this before or have an...

Would there be any issues with mixing CYA with water into a 5 gallon bucket so you don't have to wait a long time for it to dissolve in your pool? Just wondering if you can make your own liquid CYA for future use.

This is a lot easier to use in a store than any other formula I've seen used. I will still keep the calculator in my signature up for those that prefer to use it as opposed to memorizing a formula, such as my wife :) Formula: [Price] / [#Units] / [Oz per unit] / [% Chlorine] So if I can get 3...

I made this calculator for my wife to use at the store on her phone.

I searched the internet for my motor part# (SPX1510Z1XE) and found this site which mentions part# 18313301 - TWO SPEED TOGGLE SWITCH, FLEX48 (MOTOR ADD-ON). Is that really all it takes to convert to a two speed pump?

I just opened my pool and tested with strips and it showed 0 CYA, so I added 4 pounds. About 2 hours later I took a water sample to Leslies. My counts were as follows: FC 0 TC 0 PH 8 TA 180 CYA 0 CH 300 TDS 600 Phosphates 0 Since then, I've added 360oz 8% Great Value bleach from wal-mart and...

I'm concerned about my pipes being 1.25". I just purchased a Hayward 1 HP Power-flo LX (sp1580) but I haven't received it yet. I really don't know how much 'feet of head' I have, so I don't know if my 2.2 sqft sand filter will be OK with it. Will 1.25" pipe make my pump go out sooner or just...