Help with filter sponges

Discussion in 'General Gardening Discussion' started by Lyn, Jul 17, 2008.

  1. Lyn

    Lyn Gardener

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    I have a hozelock 9000 biofliter.
    The sponges were old so I got some new ones.
    The old ones 3 are green and flat.
    The new ones 4 are flat the one side and dimpled the other.
    Does it matter which way up I put them
    I no not to change them all in one go.
     
    Lyn, Jul 17, 2008
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  2. wiseowl

    wiseowl Admin 24/7 Staff Member

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    Hi Lyn Dimples Facing upwards.:)
     
    wiseowl, Jul 17, 2008
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  3. Freddy

    Freddy Miserable git, well known for it

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    Yes Lyn, dimples up :)
     
    Freddy, Jul 17, 2008
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  4. walnut

    walnut Gardener

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    With any sponge filter the dimples face into the flow the coa*rse filter(if they're different grades) first, it presents a bigger surface area of filtration.
     
    walnut, Jul 18, 2008
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  5. Lyn

    Lyn Gardener

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    Thank you .
    I did start to put them in dimples up but thought i should check.
     
    Lyn, Jul 18, 2008
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  6. Lyn

    Lyn Gardener

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    An update.
    These new filter sponges are fantastic.
    The pond as never been so crystal clear.
    I can't believe the rubbish they are getting out. :thumb:
     
    Lyn, Aug 7, 2008
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