Forum: Testing and Adjusting Pool Water Chemistry

It seems higher calcium numbers seem to control pH better (more stable), less acid is required. Why is this? I have tried Calcium at 475 and at...

When measuring a low level (35) of cyanuric acid it is often hard to know if there is any level at all as the test can wash out with FC of 5 or...

In this thread: http://www.poolforum.com/pf2/showthread.php?t=8639 chem geek suggested I might want to try phosphate remover. I am not...

The reason for this question is if muriatic acid is mixed with water and left for say a month or two in a peristalic pump container does it need to...

FC 0 TC 0 CC 0 I know to ad bleach, it got burned off. PH 7.4 Hardness 170 ppm Alk w/ stabilizer correction 214 ppm CYA 20 Copper 0...

Hi- I was hoping smarter people than me could comment on my test results. Here they are: FC: 6 CC: 0 PH: 7.8 TA: 150 CH: 210 CY: 25

I have a 16x32 AG Doughboy that I am just getting running after putting in a new liner. I filled it mostly from our well although mother nature has...

Readings: pH 7.9 FC: 9 ppm CC: 0 CYA: 25 TA: 70 We've been using BBB since we found this site -- fantastic! But this year, we've never...

Home Depot and Lowe's don't carry muriatic acid any more. I found on line Jamestown Distributers who sell 1 gal for $4.64 plus reasonable shipping...

Why would my CYA levels drop from 27 one week to 9 the next. I had my water tested at the local pool store and the CYA was 27. I added 2# of...

This year I seem to be carrying a slight haze to my water. I switched to calc hypo for chlorination, since liquid bleach prices have skyrocketed. ...

While buying a pair of Polaris belts at a local pool store, I saw an employee staring at the meter of a water analyzing device. He brought over...

Is there a Baking Soda Calculator? How much Baking Soda per rise in Alk?

Got everything cleaned out of the pool, been vacuuming. My chlorine is at shock level, my alk is 200 and my ph is 8.0. What do I do now? My pool...

If muriatic acid is mixed 1 to 4 parts water, as is the case in some persitalic pump setups does it have a half life? If this is the case what are...

This question is primarily for chem geek. Does the spreadsheet adjust the alkalinity for the CYA count? Example Alk via Taylor kit is 80, CYA...

This is the third year with our AG 17K gallon pool. Had to drain and refill this year due to pump problems. Installed new pump and filter. We...

When I open our ig pool several weeks ago the pH level was 7.3. I added a few boxes of borax and got it up to a more desirable 7.6. I continued to...

What is the best Calcite Saturation Index (CSI) for a saltwater pool. I read somewhere on the forum that a slightly negative reading is good for the...

We've almost got the church pool going again so I've got to get ready for my lifeguards to test the water daily. We have an old Pentair kit for...

We have a 24 ft. round, 4 ft deep, 13,570 gallon vinyl AG Pool. Here are my test results this AM. total CL- 2 FC - 0 pH - <6.8 Alk - 60 CYA -...

I have the above test kit and when I test my water it tells me my ph is around 7.2. The same day I can take my water to stores 3 of which use the...

saw it was cloudy yesterday - couldn't see the deep end. chlorine was nonexistent - busy at work past 4 days - forgot to test water - my mistake!...

I have been to my local pool store (3) times now to get my pool water tested since I did not trust my readings. The pool water has been very clear...

I use the DPD powder to obtain my chlorine, but sometimes my wife likes to be more involved and check the chemicals, so she uses Ben's PS-200 kit. We...

Here is our reading from the pool store, we have a fiberglass pool. TC = 5 FC = 5 Ph = 7 TA = 25 Calcium hardness 185 CYA 80 total dissolved...

Hello, We opened our pool yesterday to a very green pool water with these test results. FC .5 CC 0 TC .5 PH 7.5 TA 140 CYA lower then 20....

Hey guys, FAS-DPD showed: FC: 0-1 CC: .6 Added 6% walmart ultra bleach to shock at 15ppm Next day FC: 0 and CC: .5 Taylor's expert of...

I'm trying to help a friend through his first pool opening while explaining to him why BBB IS BEST. He started with soupy green water, which is now...

Got my Taylor K-2006 kit. On page 14 of their Water Chem brochure it says that the CYA portion of alkalinity should be deducted from the measured...