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Any advice on school math renewal error … does it not automatically renew ?

Hello all . I follow TFP methods ... you should be able to view my numbers on pool math and my signature should have my pool specs .... I’ve not ever had the deposits on the outside of the spa before ( just on the spillover ) . I would appreciate any and all advice . 😊

Hello all ... I have had an excellent CSI and been balancing my water with TFP methods since last August . I recently in the last month have used acid to get the calcium deposits off my spa waterfall and they reappeared fairly fast ( with in a couple of weeks ) Any advice ?

Hi everyone . I need to add chlorine and I added calcium chloride tonight (See pool math .) My CSI is pretty low and so I read on one TFP post that I can adjust my chlorine before the 24 hour wait time suggested without the risk of clouding if CSI is less than zero . I have maintained my pool...

Hi all ... I’m not sure I should have adjusted from 8-7.5 ( I think I read slow adjustments are best ) but I did and now it’s caused my CSI to be low . I have a fountain and so ph climbs on its own . It’s also raining and I’m wondering if it’s not a big deal and I I just wait and retest ph...

Below are picks of my standard testing ... I can still see the dot very clearly at 50 .... I used the standard as pool sample and mixed R-0013 accordingly ... thoughts?

I have looked and can not find where bookmarked threads are located ... I had marked one and now I can’t find it ... thanks in advance .

I have been testing frequently while transitioning from tabs to bleach . I am getting variation in results .... yesterday 7.5. , 10.5,9,9.5 and today I did two 5.5 and 7 .... I use a healing scoop but some are bigger than others ... does this affect the results ? I used same spot in pool but...

What is the maximum amount you can add at one time ? I was told by the “ pool guy” at Leslie’s no more than 24oz at a time and dilute in 5 gallon bucket and mix well before putting in and brush pool bottom afterwards . Pool math said o need 56 oz and I would like to put it all in if it’s safe...

Hello all , I will attach pics of my pool equipment and pool . My pool is a sports pool with 3 1/2 foot on each end with 5 1/2 in middle . Questions : 1.) Based on my equipment can I do water exchange with my pool pump and a hose or do I need a separate pump ? If so do I hook hose up and...

Hello everyone ... quick history : built pool in August 2018 and it stays open year round . This is our first full summer with the pool . It has been crystal clear since install ( except white calcium looking deposits on spa fountain stone ) with weekly dip strips and monthly water samples to...