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sock method- I will do that. thx

Here are the Fill Water test results (and I contacted my Dept of Water supply -DWS- to see how close they were to me). pH was 7.2- DWS said they shoot for 7.2-7.9 FC was 2- DWS said they shoot for 1-1.5 CH was 125- DWS says they shoot for 100-150 I just retested CH from pool and I got a reading...

got it, I will test fill- so high CH can cause calcium buildup on pool and equipment?

Did you see an answer to this? That the website you went to app.poolcalculator.com - is not affiliated with trouble free pool (TFP), or the correct "PoolMath" app, so that is why you aren't able to log in with your TFP login and password. Try going again to app store on your phone and look for...

Thanks for that. I haven't ever felt a need to use a thermometer in my pool, so I would need to get one, what the reason here for tracking pool temp? FC loss? Also you asked me about my fill water chemistry a while ago, and I tested, but cant find results, so I will retest. If CH is in normal...

Yeah so many slackers out there. You are not the only one! Ha!

I posted a thread called "Can wind raise pH?" about a month ago and got great assistance and feedback. My pH was always rising and my testing habits were very shabby... I am getting better at this but it takes commitment! My pool has been looking very clear, and no more days of dumping what I...

Oh Awesome!! I have NOT seen that. I think thats it! Hmmm.....I wonder if when you go to the overview page, it could say at the top, "click on any result below to get further recommendations"..?

just posted a thread to news and announcements, hope this was good place to put it? Perhaps I should have asked you first...

I hope this is a good place for this thread... I starting using the poolmath app a few weeks ago, and it's a great way to log test results and chemical additions while standing at the pool. But I am always going back to the poolmath page online because there, I can input all my pool data, and I...

I am not sure anyone will see this post today, but maybe Mknauss? I have been testing daily my pH and FC. I have been very precise in using poolmath calculator and measuring chemicals and have gotten much better expected test results. I just added my full results today on my log, and you can...

I don't want to hijack this thread, but I thought it might be appropriate. I changed to the app a few weeks ago, and it's a great way to log test results and chemical additions while standing at the pool. But I am always going back to the poolmath page online because there, I can input all my...

I am sure you will get the answer you are looking for in this forum. My initial thought is your FC is too low for the amount of CYA you are reading. Please take a look at the FC/CYA chart here- https://www.troublefreepool.com/blog/2019/01/18/chlorine-cya-chart/

I upgraded the pool math app to pay a subscription for a year. I will donate more if I get OK from chief! Thanks!

Oh! Perfect!! That's what I was hoping for... appreciate it.

Hi Mark- question -not sure if you know what to do- I have been logging into the app sinc this past Tuesday, working great for me on my iphone. I allowed sharing of all my log info, but still cannot see where my log is viewable in my profile by other members or other viewers... I see where...

Reporting on my mission to control my pH from always rising to around 8.2+ even with the addition of "a lot" of weekly Muriatic Acid. Day 5 - Using Pool Math Calculator and measuring cup to get definitive reproducible results. I was recommended to lower my TA to help slow the increase in pH...

I have hopefully started down the road of a more stable pH. Here's how I did it. FIRST: I got the Pool Math app, which is VERY helpful to keep track of everything I have been doing in a clear, concise, and secured way. SECOND: I bought a measuring cup, and followed the pool math required...

?? I just tried it, I could see a slight difference. Also saves some phenol red!

thanks! my fill water TA is 70, lower than my pool TA of 100. just wondering, what do you recommend to lower the TA? Muriatic Acid?

Now you're throwing me a curve ball... Wouldn't using 4 drops instead of 5 would make the test color a little lighter? Thus possibly giving a false lower reading?

thank you

One last question for the day...I have the TF-100 test kit which comes with the K-1000 pH and Chlorine kit. To determine pH you guess at the closest color match on the kit and liquid for measuring pH and look across to the pH number- after adding 5 drops of phenol red. Sometimes the liquid color...

I will do that as well. I have it stored in the same place it leaked out, but now upright- and all the hinges are corroded.. Also where do you get your 10% Bleach? I saw that in your poolmath log

yes- over the pool- for sure. Lesson learned, the first time I handled MA, I put the jug back into a cabinet by my pool, and carefully laid it down to fit in cabinet. About 20 minutes later, I walked by and saw my pool tiles bubbling under the cabinet. I quickly opened the cabinet and saw the...

thank you splashpad for the added clarity- I get a lot of sun typically. Today it was 85*

So I know Muriatic Acid (MA) lowers pH, but it also lowers TA? I will also start being more precise with my measurements of MA into my pool- I kind of "guess" how much in 8 oz increments..maybe a measuring cup....

Is there any neat way to test if the suction line has an object in it to slow water uptake? I've tried snaking it, but my snake never gets very far...

So, 2-4ppm FC fall off daily is typical (Mknauss), and too much FC fall loss is 1-3ppm on daily testing (splashpad) here is my current scenario. Just tested.. FC 7 CC 0 CYA 30 Pool TA 100 -Fill Water TA 70- pH 8.0 I want to raise my CYA to 50. Should I do this by adding Dichlor? I will test...

What would be too much FC fall off?