Unable to filter my swimming pool water correctly: sand at the bottom

Work concerning plumbing or sanitary water (hot, cold, clean or used). Management, access and use of water at home: drilling, pumping, wells, distribution network, treatment, sanitation, rainwater recovery. Recovery, filtration, depollution, storage processes. Repair of water pumps. Manage, use and save water, desalination and desalination, pollution and water ...
r2d2
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Unable to filter my swimming pool water correctly: sand at the bottom




View r2d2 » 02/10/23, 18:55

Hi everybody

every day I clean the bottom of the pool (7x4) to find the same amount of "dust" at the bottom the next day!
I have the impression that the sand filter does not stop this "dust.
I completely changed the sand (13 m.cubes) coarse and fine, same thing!

I don't know what to do anymore, any ideas? THANKS

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phil59
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Re: unable to filter my pool water correctly




View phil59 » 02/10/23, 20:17

Too much sand?
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hmmmmm, hmmmmmmmmmmmmm, hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhmmmmmmmmm, huh, hmmmmmmmmmmmmm.

: Oops: : Cry: :( : Shock:
Christophe
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Re: unable to filter my pool water correctly




View Christophe » 02/10/23, 20:44

It's the sand from the sand filter...I think there is a kind of "sand net" in the filter which may have moved or is missing?

Did you just change the filter?
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r2d2
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Re: Unable to filter my pool water correctly: sand at the bottom




View r2d2 » 03/10/23, 15:08

Hello,

no actually, I changed the content of the sand filter at the beginning of the year because I had that last year too
There is no net in the sand filter? there never was one.
when loading the coarse and fine sand, I respected what was in the capacity, filter approximately 3/4 full
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Christophe
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Re: Unable to filter my pool water correctly: sand at the bottom




View Christophe » 03/10/23, 15:33

What I call the net is actually also called a strainer: https://www.atelier-piscine.com/297-fil ... latic-side

SNTE Galatic/Jupiter Side filter strainers 18 to 33m3 (x2)

You must have a cracked or broken one?

Did you check them?
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r2d2
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Re: Unable to filter my pool water correctly: sand at the bottom




View r2d2 » 04/10/23, 18:32

Hi all
finally a clue!! thank you all
It could actually be black algae or sand, this story of the strainer in the sand filter, I had never thought about it
and seeing the result of the second sample, yes it seems to be sand?
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