Borax Questions for Commercial Pool

[Pattee33]

The pool in question is a Senior Citizens Indoor Heated Salt Water Pool. 20,000 gallons.

I use a box of 20 mule team borax to help lower my Total Alkalinity. It worked very well. However, a week later, one of the lifeguards thought they had a low PH and another box of borax.
We started to see some sudsing (for the want of a better term). This occurs about 1.5-2 hours after people are out of the pool. Agitation makes it go back into solution. I did a Saturation index on the water and it checks out good.
I skimmed off some of the suds and did a PH on it and it was about 8. One pool supply suggested adding dry acid, which I did. Our PH is usually about 7.6 on a daily basis. I also added some enzymes to help with the combined chlorine which has climbed from 0.4 to 0.8
Sometimes the pool surface is milky which eventually disappears and becomes a little flocculent ( for the want of a better term).
is it possible that the water is supersaturated with the borax and it is coming out of
solution?

[PoolDoc]

1. Not sure what was added, but borax does NOT cause foaming. Did he add "Boraxo" detergent?

2. We don't support indoor pools, as a rule. The chemistry is different and much more complicated.

3. We don't support commercial (ie, non-residential) pools. The chemistry is different, code-regulated and much more complicated. Also, there is public health liability, both morally and legally, when it's done wrong . . . and it almost always is.

FWIW, I worked professionally with commercial pools for almost 30 years, so I'm not just talking off the top of my head.


Sorry . . . thread closed.