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I'm stumped!!! Pretty easy, I know. Last week we had a horrendous thunder and lightening storm here in Houston and there was a thunder clap during the night that made my teeth vibrate, With doubt the loudest thunder I have ever experienced. Anyway, the next morning when I check my pool through...

Hi for the last 3 years I have been using a Pentair Racer pressure side cleaner and it has worked great. About 6 months ago I inherited a Pentair Prowler 930W which was about 8 months old and to say I am disappointed is a massive understatement! It moves great and it will cover the pool floor...

It seems I have lost my Pool Math subscription for my Windows 10 PC even though it works ok on my iPhone and Ipad. Any help would be appreciated Thanks Ian

I had an electrician wire up my Stenner pump to the EasyTouch Aux 6 button nearly two years ago and it has worked flawlessly ever since. It really is a top notch piece of equipment, so much so that I just bought another one on ebay (used) to handle my acid dosing. So today I thought i would go...

Hi guys, My Calcium Hardness has been dropping over the past few months and I am assuming it is because of all the rain we have had here in Houston. For the past 18 months it has been pretty static at 350 but is now down to 190. So my question is, where is the best place to buy Calcium...

This is a question for the chemists in the room. I use chlorine in 1 gallon jugs bought from Home Depot and was wondering how long it lasts if I store it unopened in our laundry room (70 F to 75 F). Thanks

So.... my first year of pool ownership is over and I got bored today and decided to download all my numbers from the Poolmath app. I summarized the info on the attached document. Management of my Chlorine was done using a Stenner Pump and after a year I am more than happy with it. As you can...

I am sure this is a simple fix but I am not sure how. We turned the spa on last night and we set it at 104F. It topped out at 100F. The digital readout on the heater was 103F and the readout on the easytouch was 100F. I know it only a few degrees difference but it makes a difference. Does anyone...

Just wondering if anyone is using this and what they think of it. https://sensafe.com/exact-idip/

Hi @Leebo, I noticed a discrepancy between the "overview" screen and "effects of adding" screen. If I have a Ph of 8 and I want to reduce it to 7.4, a reduction of 0.6, the overview screen tells me to add 20 fl.oz of Muriatic Acid. However, I I use the "effects of adding" screen and I add 20...

The title says it all. I currently have a Pentair Racer and it does a pretty good job but I have been thinking about replacing it with a robot cleaner. My current cleaning schedule is to run the Racer 3 times per week for 1.5 hrs each time and I have also been manually vacuuming it once per...

Hey guys, The pool reached 78 degrees today so me and the wife took the plunge for the 1st time and it was awesome. The pool was finished late December so this was the first time the water reached a temp that I was willing to try. After 2 to 3 minutes of freezing my a@@ off it was perfect. ?

Hey guys, I am a new pool owner in Houston, Texas. So far everything has been great and is going to plan. Yesterday morning it started raining and did not really stop till this morning. So far I have only seen moderate bugs in the skimmer that I would expect. This morning, however, when I went...

Hi guys, my cya has been a very constant 50 from the end of December and I have been testing it about twice a month. 2 weeks ago I had our local pool company do a water test for me using there fancy electronic 10 test machine and everything was in line with my tests. Last night I tested my cya...

Hi guys, I'm a pretty new pool owner (Since December) and I was wondering if my heater is very inefficient or faulty or perfectly ok. If I heat my spa from 58°F to 102° it normally takes about 1hr to get to temperature. My spa is about 800 gallons. I have been told by a couple of people that...

Hi Guys, I have just connected my Stenner Pump to the Aux 6 circuit of the Easytouch and everything is working perfect.... :) I have it programmed to switch on at 3 different tines for a set time each cycle.....so.... now I may be asking for too much!! Is it possible to see the history of the...

Hi Guys, I just installed a Stenner pump last week and so far it is working great. To help me with the required chlorine dosing required each day, I created a simple spreadsheet that calculates the volume of LC need each day and the time required to run the pump to achieve that required LC...

Hi, When I originally setup Poolmath I used my Facebook to start the account which was just lazy of me. Is it possible to change the login to my email address with a new password? Another question.... how do I link my pool logs to my account here on TFP? Thanks Ian.

Hi guys, I am installing a Stenner pump for LC dosing and I was wondering about half life! If I dilute 1 gallon of 10% LC with 1 gallon of tap water I am assuming the concentration of the LC drops from 10% to 5%.... correct? So.... assuming the table below is correct, in doing this I have...

Hi Guys, My pool was just finished last month, water went in on December 17th and we were swimming on Christmas Day :) Ok, I am in the same boat as many in Tx and I was advised that a SWG is just a headache and the PB did not want to do it. I took his advice and went with the inline...

Hi guys, I just noticed my Poolmath app is not updating. i took my test results this morning but the app is still showing yesterday’s results in the overview. what am I doing wrong?

Hi guys, I need to raise my FC and lower my PH. Can I add liquid chlorine and Muriatic acid at the same time or should I wait some time between each. If I should add them at separate times, what should I add first? thanks.

Hi guys, first time pool owner and I have just ran my first set of tests on my new pool and I was wondering what the experts thought. ------------------------------------------ Test Results 01-03-2020 @ 03:57 PM ------------------------------------------ Free Chlorine...

Hi guys, I am a new pool owner with a problem. My pool was fill about 2 weeks ago and has been running flawlessly until about 3 days ago when I noticed the pressure on my filter jumped from 20 psi to 36 psi. I checked the filter and it was a little dirty but not excessive in my opinion. I...