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Aeration lowers TA ...

Airation and acid are the trick for minor TA adjustments I have used over the years ... just have have a very large problem with high TA and CH.

B - I'm trying to lower TA ... one method is to use MA to lower PH which also lowers the TA ... correct me if I'm wrong...

B - that's exactly what I have been doing .... adding MA and aerating which lowers TA and PH. But the high TA raises my PH back up and the cycle continues ... it is lowering my TA but very slowly and will need alot of MA to bring TA into range I believe - 60-80 in my goal for TA.

Marty Almost embarrassed to tell you ... but my LaMotte Color Q7 has been consistently under reporting both my TA and CH since I refilled the pool in May. I am very precise and careful when testing with it - but it isn't doing a good job for me. I ordered new reagents in May and they have...

Marty I will work at bringing my PH down. Can you respond back to my original statement about my PH ?? " I have also been fighting a rising PH ... goal is 7.4-7.6 Pool math showed to put 32 oz of MA to lower my PH from 8.2 to 7.6. Put it in overnight - ran pump till AM and PH barely moved??? "

At pump startup - White flakes come out of each outlet for 2-3 min. We had this occur 4 years ago when I had my pool tech taking care of the pool and I thought it was from high CH. I don't remember what the verdict was back then ... but the next year I found TFP and took control of my pool...

Just took it to our local pool supply house - they tested and .3 to .4 copper.

I just refilled the pool - 20,000 gal. Must be copper in the city water? What is the best method to remove it - besides a draining again - which probably wouldn't change the COP reading?

Are the copper and iron readings anything I need to deal with? COP - .3 IR - .1

Thanks! My ColorQ CH readings last uyear were consistent with my Taylor kit. But I will verify again.

Once the chems are good and stable ... then I will add salt to 2400-2800 and then work on the CYA to 40-50. Any feedback from the chem pros here? Thanks for your help in advance.

Today's chem readings CL - 1.60 TCL - 1.79 CYA - 25 PH - 7.6 ALK - 157 CH - 134 COP - .3 IR - .1 SAT INDEX = -0.10 Plaster pool ... I've added a 2nd gallon of Chlorinating Liquid this AM (added first one yesterday - first day after pool refill) with the goal to get the TCL up around 3.0 which...

With the same tester I've used for 4 years - LaMotte ColorQ Pro 9-Plus. I test my Salt with the Taylor-K-2006 and also have the Taylor T-100 ... but find I get as accurate or better readings from my LaMotte Digital.

I drained our 6 yr old gunite pool - made some minor repairs - light power washed some scale off the black onyx plaster finish - refilled the pool yesterday and today - 20,000 gal. This is a SW Pool - but I haven't added salt ...waiting till pool is in chem balance. I just ran chem tests ---...