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Howdy all, Before I get started, here are my latest test results: FC: 8.5 CC: 0 pH: 7.5 CH: 300 TA: 100 CYA: 40 Temp: 49 CSI: -0.33 Bottom line up front, I'm a bit confused about how low my pH is given my TA measurements, despite two 1 pound adds of soda ash over the course of three weeks or...

My VS pump turns on full speed when the temperature gets too low. I was wondering if in your (or anyone's) experience, is low speed (50%) probably sufficient protection against freezing temperatures? I mean, obviously that depends on the temperature, but here in Texas we're usually only down in...

So I've been lurking for a while, I feel like I have pretty good control of my chemistry. That being said, I have the most difficulty with CYA. I feel like it's really hard to "pin down" a solid measurement using the TF-100 kit. My pool has been riding at what I'm pretty sure was 40-50 CYA for a...

Hey all, just wanted to share my pool and thank the community once again for helping me to take control of my own chemistry! I had to stand up on my backyard fence to get these, lol. You'll see that I've surrounded my pool with colorado river rock. It's a bit bland for now, but I vowed to have...

Hey all, Just a quick question about testing TA with the TF-100 kit. I notice at drop 7 of R-0009, the solution is "not green" and is this sort of very light red-but-mostly-clear hue, and then the next drop turns it into a fiery red. The instructions say when it "turns red" you're done, but I...

Hey all, After several CYA tests to make sure I wasn't crazy, I've determined my CYA is pretty low, around the 20-30 range. Rest of the readings, because I know you guys will always ask: FC: 6 CC: 0 pH: 7.5 TA: 80 CH: 300 CYA: Call it 30 I've been using tabs to save on bleach and bring my CYA...

So, I'm slightly ashamed to say this, but I kinda goofed up with my new plaster. The plaster is about 9 weeks old, and I can list all sorts of excuses, but the skinny of it is I didn't brush it enough while it was curing. Somehow the urgency from the PB to brush it was lost on me, or perhaps...

So, I had some issues with my plaster that I communicated to the PB. They sent someone over today to take a look at it. I came home this evening to do my daily readings, and it looks like my pH is reading 6.8 or possibly lower. I can't fathom why or how it dropped, and my best guess is that...

Hi all, I just wanted to understand the CC test for the TF-100 kit. It seems to me that since the kit only reads chlorine in .5 intervals, you can never really be too sure if you're at the ".2" mark. I think the obvious answer is if the solution turns any shade of pink after adding 5 drops of...

Does anyone know of or have a good, corrosive-chemical-rated, outdoor chemical cabinet that they recommend? I'm looking for something that I can lock with a padlock, won't corrode obviously, fairly priced and decently sized. I think as far as size goes, I'd take anything that's not wider than 4...

Hey all, Just got my TF-100 test kit (with speed stir :cool: ) and I tried my hand with all the tests. I'm happy to say that I love this kit, and I feel like I can really trust and reproduce the results! The CYA test though, that one seems really "subjective" to me and I was having a hard...

Hello all, I've received a warm welcome here and for that, thanks! My question is about curing plaster, TA, and pH. My pH has a habit of steadily rising. The pool store guy told me (I know, I know) that my curing plaster can cause pH to rise until it's finally cured. It's been about 6 weeks...

Hey all, New pool owner here, very happy to have found this place and the wealth of knowledge that is pool school. Our pool was completed about 6 weeks ago. I'm brushing it daily because there's still some plaster dust that comes up when I do. No biggie there. My biggest question is about FC...