Am having trouble lowering TA and looking for some advice or diagnosis. PH creeps up to 7.7-7.9 during the week (presumably by aeration from SWG). I add MA every 7-10 days to bring it down to 7.2 based on PoolMath guidance. Retest and see PH drops to desired levels but TA consistently staying around 90. Any idea what’s causing this and how to lower TA? Am not adding any other chems and thought MA would do the trick.
Can’t lower TA
- Thread starter Sidemoves
- Start date
clambert1273
Gold Supporter
- Jun 13, 2013
- 1,493
- Pool Size
- 12000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool Edge-40
It will over time and it isn't a super concern. Just keep adding MA when PH gets to 8 and lower it to like 7.4-7.6 each time & it will slowly come down over time.
Got it. Am trying to add borates so was waiting till TA got to around 70. Any issues if I add borates now with TA around 90?
clambert1273
Gold Supporter
- Jun 13, 2013
- 1,493
- Pool Size
- 12000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool Edge-40
- Jun 22, 2014
- 47,855
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
When I see pools with a stubborn TA, I recommend allowing the pH to reach 8.0 then using enough acid to lower the pH to 7.-7.2, but no lower. That larger application of acid and pH drop usually takes a bite out of the TA each time.
Do PH readings get affected (show higher) when chlorine levels are really high?
I had a bday party this weekend and a 3yo puked partially in the pool so turned on Boost on SWG and threw in 2 backs of cal-hypo shock. Chlorine is around 10 at the moment.
PS- is that the right approach to handle a barf situation like that?
I had a bday party this weekend and a 3yo puked partially in the pool so turned on Boost on SWG and threw in 2 backs of cal-hypo shock. Chlorine is around 10 at the moment.
PS- is that the right approach to handle a barf situation like that?
- Jun 22, 2014
- 47,855
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
- Jun 22, 2014
- 47,855
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
That's fine. Anyone would be inclined to increase the FC level after an incident like that. In a pool your size, most of it would probably dissolve to nothing anyways, but increasing the FC makes sense.
Got it, I think that’s why my gallon of MA only lowered PH to 7.4 despite targeting 7.0.
TA is still being really stubborn. Still holding at 90 even after the MA add. Any advice?
How long should I keep FC elevated? Also 0.5 CC showed up after the puke incident…that normal?
- Jun 22, 2014
- 47,855
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
More acid at dosing. You really need to lower the pH down to 7.0-7.2 on each application. If you only go halfway, it doesn't have the impact on the TA you would hope for.
- Jun 22, 2014
- 47,855
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Just one day of the elevated FC should be fine. The CCs can fluctuate on any given day and may/may not have anything to do with the accident. Not to worry unless the CC really gets elevated.
Think I should hold off on adding borates till I get the TA down below 80? Or okay to add now?
- Jun 22, 2014
- 47,855
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Make sure you are comfortable with your final TA adjustments before switching gears to Borates.