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If there's constant evaporation, why should I expect to ever see it shut off? Here's a picture of the autofill. It's not the best picture, but it's the only one I have right now. It's very basic.

It's hard to tell if my water bill is high because of irrigation running or pool filling. What I can tell you is that I keep an eye on my autofill. I hear it steadily (and extremely slowly) running. I figure that's keeping up with evaporation. We had a really hot summer, so who knows.

pH is 7.5

I was able to hunt down an older post from me in a different thread that shows the CH is 125 and TA 90. I didn't do pH at the time. I'll do that test later on and report back.

Yes I use city water. I did test the CH and the water is definitely hard. But I had trouble seeing that as the only reason for the drastic CH increase the past month or two.

Here's a pic. Maybe it is just sand. I'm not concerned with the red stuff. That's very clearly sand. But there's some white and black in there too.

Is it concerning that I see what I believe to be pebbles from the plaster stuck in the cleaner filter basket mesh? I always thought it was dark colored sand but it might be the plaster

Well, I've also been dealing with new plaster since March as well, so I'm not really sure where that happy place is yet. So far, it's been well above 8.2 which I was told to not let it get to. So if the happy place is higher than that, I don't think I'll see pH level out like you suggest.

I just read it, thank you for that. The most helpful part was where it suggested playing with the CSI in pool math. I completely forgot it shows the CSI value at the bottom before submitting the test results. Looks like 7.8-8.0 is indeed the best way to keep CSI between 0 through -0.3. I wish my...

I had a busy last 7-10 days and didn't test my FC. Weather has been getting cooler and I haven't been keeping my SWG percentage low enough. It creeped up to 15ppm and I turned it off. No one uses the pool right now anyway. I'm waiting on it to naturally lower to more ideal levels then I'll turn...

I kind of get what CSI is, but I don't really know for sure. Above 0 means calcium build up, below means it'll get pulled from plaster. But I don't know what actions I need to take to manipulate the CSI to a specific and desired range.

Ok, that's an interesting observation. I didn't suspect that at all since the target range for pH in PoolMath for me is 7.2-8.0. I was told to not let it go above 8. And I didn't want to have to add MA every day (I already have to add it every other day). After I add I'm typically at 7.5. My...

Hey folks, My CH is getting extremely high and I can't help but assume I'm messing up the test, although I don't feel like I've been doing the test differently since I started doing it in March when my pool finished. Looking at my own poolmath logs, the timeline looks like this: Now: 675 1...

I need to ask how you found this page. I keep having to come back to this thread like it's a bookmark in order to find this again. I tried using search at the top. I tried pool school. I tried Wiki. Looks like it's just a blog entry and the site's search isn't the best so its no surprise I...

Thanks, I didn't realize that page had such clear instructions. After putting 5 drops of R12 first, the test became much easier. I got a result of 450 this time which seems more reasonable. Are there any downsides to doing the test this way going forward?

The TF-Pro test kit uses the 10ml test for CH. The Taylor video I saw called for 25ml water. According to that video, I'm supposed to modify the normal test by adding R-0012 first, but not sure how much with the 10ml version. Are there clear instructions I can try? The issue I'm having is that...

In these 100F+ Texas temperatures this summer, I've found that it's really painful to stand on the travertine pavers around the pool. The pavers are also really slippery when wet. I'm frustrated that I didn't catch these issues during the pool build, but money is already spent :-( Does anyone...

Early on, I was told 2600-3800 is the target range for salt in my pool. The manual didn't come into play there, at least as far as I remember. I'm less interested in the min/max numbers provided by the manufacturer. I am trying to learn what the ideal midrange numbers are and what the ideal...

How much would that be? Should I target 2800ppm?

My pool finished construction in March this year. A month after pool start up, I added salt up to 2800ppm. In another thread, I was told the bottom of my target range is 2600. My last test showed I am now at 2600ppm salt. Should I add salt now, or once it gets to 2400? And when I do add, what...

Since March, my pH goes from 7.5 to 8.2 every 2 days, sometimes 3. That's been pretty consistent. I don't think I can get away with twice a week. Here, I've learned that if it gets over 8, I should add MA. Maybe next year I'll see it stabilize more? I don't know. Are you implying I only test...

Once a year, I like to buy a TF-Pro refill kit just to support the site. However, I'm noticing certain reagents aren't going to make it a full year. I already anticipated that the CL drop test powder and reagents wouldn't last, so along with the refill kit I buy an additional set for that...

My kids have kept me in the pool almost every day the past 2 or so months. It's been fun, but I can feel it taking a toll on my body in multiple ways. I've been going under the water a lot more and I typically do not wear goggles. Just never grew up with them. I like to open my eyes under water...

Ok so I'm not crazy to adjust the SWG percentage every few weeks? I thought maybe I was micromanaging too hard (and I know I've been told I'm over thinking pool chemistry a lot, which I don't disagree with). I typically look at my 2-3 day FC deficit, divide it by the number of days, and increase...

I hover around 2800ppm salt in my pool. Until about 18 days ago, at 32% SWG I've been getting a steady increase of chlorine. Today I just did my FC/pH test (I do this every 2-3 days) and FC is actually going down. It's at 4.5 right now and my SWG is at 39%. I know last week we had temps...

I provided a picture earlier. Did you want to see something more specific?

The tan circle in the middle is an umbrella sleeve. It's not an issue. Just the two bubblers.

This is the best picture I have on me at the moment. If this isn't good enough I'll go take some new ones.