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Cleaning sand of sand filter


JAN

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Wonder if necessary to clean the sand of the sand filter?

See (mainly in US) there is a cleaner/degreaser product that one can use - yearly - to clean the sand that is inside the filter. 

Don't see such a product being available here in Thailand.

Question? Is it necessity and if so, what can one use and how? Thanks! 

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Most sand used in Thailand is of an inferior type than used in the west. (Generaly speaking)

Thai sand is stuffed at its best at 2 yrs unless silicate sand or Eco recycled plate glass.

Over backwashing is the culprit. Natives like to backwash every time they go into a pump room.

If you could wash it would only take out the broken down sand (Clay).

Best & more efficient is to change the media! See attached.

 

Beware the ???? on here saying that sand last for ever in rivers as this is a rediculous comparison!

 

Cheers

 

 

 

Eco Clear.pdf

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