This was submitted on Monday. Told it was lost in the mix. Told to resubmit:

“Hi Dave Light

Your comment in the Support section was received. Thank you for posting the following question.


Pool installed last spring 2018. Aqua Tech cleaned water with their filters.

Our brand new filters then installed. Initial PSI reading was 15.

Cleaned filters two days ago. Reinstalled, no leaks. Start up reading for PSI was 19. Checked today and OSI at 25.

We realize all PSI readings can’t be the same depending on pool make and size.

Is 25 PSI relevant? Is it a safe reading? What is the safe range of PSI until we have to shut down, change or call for service?

A member of our Support Team will reply to you within the next two working days.

In the meantime, don’t hesitate to get in touch for more details, or if you’re experiencing an urgent problem.

Speak to you soon,
The Aqua-Tech Team

P.S. Don’t forget to check back on your question to see if any other users are participating in the discussion.

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  1. Dave the reading of 25 could be ok. If the flow back through the return jets at the pool still feels strong and your heat pump is working ok and the pool is not cloudy then you would be ok to be reading 25. If the flow is diminished at the pool jets then the filter pleats are likely starting to build up a greasy film that will need to be cleaned off. Sometimes the film can be rinsed off. Sometimes the filters will need to be deep cleansed in a solution to remove the film. You will know if a deep cleanse is in order if you rinse the filters and the pressure goes back up again in a short period of time.

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