Low Ph Hi TA

Problems relating to pH and total alkalinity.
Increase ph, increase TA. Reduce pH, reduce TA.
pH chemistry advice and techniques for the pool.

Low Ph Hi TA

Postby strpdbas » Fri 28 Apr, 2006 18:43

I have a gunnite pool approx. 15,000 gallons. My Ph is @ 7.4 and my TA is 150. According to my pool supply a TA of 140 is good in a gunnite pool, not the 100 max. recommended in the test kit. Any suggestions / comments?

Pool Helper

Total alkalinity

Postby Pool Helper » Sat 29 Apr, 2006 04:58

A maximum TA for plastered pools is around 120ppm. Your TA of 150ppm is not excessive.

If you keep the pH at 7.2-7.4 you will not suffer the scaling effects of high pH/TA. Try to aim for 7.2 to offset the high TA.

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