- Oct 8, 2020
- 579
- Pool Size
- 19440
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Jandy Aquapure 1400
Hey folks, I was going to post this update in my original thread (linked below) but there's a banner at the bottom that recommends creating a new thread since it's over 60 days old. So here I am.
www.troublefreepool.com
To summarize: I posted about my cartridge filter PSI being at 18 at 2500 RPM when my lowest recorded is 11 and usual PSI is 14-15. It was much colder and I was mainly asking if I could wait until it warms up.
Since then, I have cleaned the filters and unfortunately maybe a week or two after, it returned back to that 18 PSI.
I've noticed this over the years (pool opened in March 2023), that as I clean the filters, I have to start cleaning them more frequently and it becomes harder to keep the PSI low. The research I did a long time go on the forum basically suggested to do an acid bath, however given all the sand (which I detailed in the linked post), I'm not sure if that's the solution that folks would recommend.
At this point I don't feel that cleaning the filters every month or so will be an appropriate solution. What should I do?
Cartridge Filter PSI, Water Level, and Sand Issues
I'm dealing with a few pool maintenance concerns and would appreciate some insight from the community. My cartridge filter PSI is currently at 18 (at 2500 RPM), which is higher than my usual cleaning threshold of 14-15. The lowest I've recorded is 11. Given it's winter, I'm hesitant to clean...

To summarize: I posted about my cartridge filter PSI being at 18 at 2500 RPM when my lowest recorded is 11 and usual PSI is 14-15. It was much colder and I was mainly asking if I could wait until it warms up.
Since then, I have cleaned the filters and unfortunately maybe a week or two after, it returned back to that 18 PSI.
I've noticed this over the years (pool opened in March 2023), that as I clean the filters, I have to start cleaning them more frequently and it becomes harder to keep the PSI low. The research I did a long time go on the forum basically suggested to do an acid bath, however given all the sand (which I detailed in the linked post), I'm not sure if that's the solution that folks would recommend.
At this point I don't feel that cleaning the filters every month or so will be an appropriate solution. What should I do?