First backwashings take sand out of the filter?

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First backwashings take sand out of the filter?

Postby poolunexperiencedowner » Tue 15 May, 2007 15:50

I've opened my new pool a few months ago. Everything worked fine since then except for one little problem.
The problem I've got with my new filter is the following:
I've backwashed about 4 times since we opened the pool, but every time I backwashed sand came out from the waste line (apart from brownish dust). Is this normal in a new pool (and filter)??? Will I have to refill the filter with sand so as to replace the lost sand? Is it broken or am I backwashing too frequently?
I'll be grateful for a reply, thanks.

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Postby dynamictiger » Tue 15 May, 2007 17:56

Most likely the sand filter is simply overfilled. I would not be overly concerned unless this carries on for several months.

This is a new filter or new sand fill isn't it? You haven't changed your pump or something?


Postby sparkwatercleaner » Tue 15 May, 2007 18:20

Yes, it's a new filter.
Thanks for replying.

Postby poolunexperiencedowner » Tue 15 May, 2007 18:24

And i've not replaced the pump.
(so as to avoid confusion, I'm sparkwatercleaner)

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