Add Borax or wait?

2thdoc1

Active member
Sep 14, 2020
44
Kalamazoo, MI
I just opened up the pool a few days ago but didn’t get my new Taylor 2006 test kit until yesterday. Normally I follow TFP’s closing methods for chemicals, but had the pool closed last year by a new company and I didn’t realize until I got the invoice they had added chemicals (no clue what they added). Tests yesterday showed low ph and alkalinity as well as 0 chlorine. Water is cloudy, can’t see bottom. I had liquid chlorine available, so I increased to SLAM levels. Picking up more chlorine today and some Borax. My question is should I add Borax now or wait until SLAM is complete? When I just tested, pH was at 7.2 but that’s probably not accurate with a FC of 15. Original pH yesterday was (estimated based on color) 6.4 ish?
 
No heater, fiberglass pool, don't worry about your low pH.

See where your pH and TA is once the SLAM is complete.
 
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