I am having an issue with my pool. For the past month, I have been putting in the recommended amount of muriatic acid and it is having only 40% of the projected effect. Similar issue with my SWCG - not having as much impact as it did last year. Could it be a TDS problem?
Muriatic Acid not impacting pH as much as Pool Math says it should
- Thread starter Skurzban
- Start date
It is not a TDS problem.
Are you sure you put your MA strength in correctly? Have you added borates to the water?
Are you sure you put your MA strength in correctly? Have you added borates to the water?
Some stores sell half strength MA. Like 20% buad or less......, and often at the same price as full strength 31% 20 baud. Double check your MA.
As to TDS--> TDS - Further Reading
Maddie
As to TDS--> TDS - Further Reading
Maddie
In that case (and seeing the SWG comment, sorry I missed that) would you mind posting your most recent test results? Sounds like something is a bit off.
Okay - it happened again. Added the pool math recommended amount of Muriatic Acid to get it down to 7.2 from 8.1 and it only went to 7.5. Also, did an overnight test on my SWCG. Pool math says based on run time, run % and output of my cell I should have seen a 2.8 ppm gain in FC over the 8.5 hours I ran it. I experienced a 1.5 ppm gain. Any advice is appreciated. I realize I need to shock the pool, not sure if I should SLAM. Pool is crystal clear. Here are my levels:
FC: 6.73
TC: 7.12
pH: 7.5
TA: 62
Hardness: 518
CYA: 67
Phosphates 164
Salt: 3500
FC: 6.73
TC: 7.12
pH: 7.5
TA: 62
Hardness: 518
CYA: 67
Phosphates 164
Salt: 3500
TampaKathy
Gold Supporter
reggiehammond
Gold Supporter
- Oct 4, 2020
- 1,588
- Pool Size
- 30000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-60 Plus
- May 3, 2014
- 58,982
- Pool Size
- 6000
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-40
It can go higher. Combo on the numbers - I have found the store to be off on pH and Chlorine so I do those myself.
We don't want any pool store numbers fouling up the data. Please test the water yourself and post those (and only those) numbers.
Unfortunately pool store testing throws this entire thread to pieces. We can't diagnose a problem based off of unreliable testing.
Unfortunately pool store testing throws this entire thread to pieces. We can't diagnose a problem based off of unreliable testing.
Any chance your pool is bigger than you think it is? And do you have the proper size entered into POOLMATH?
If anything it is smaller than I have it entered at given that I have not subtracted for my steps. 15x35 with 3' at the ends and 6' in the middle.
I think you got it - I had more borates in the water than I thought. Per the pool math app that would explain the smaller reduction. Not sure that explains my SWCG production though.
- May 3, 2014
- 58,982
- Pool Size
- 6000
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-40
Be careful using a short run time to determine swcg output. The cycle time of the unit can impact your fc generation.
kul
Bronze Supporter
- Oct 1, 2021
- 1,340
- Pool Size
- 15000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60