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New External filter

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  • 28-08-2017 11:01pm
    #1
    fritzelly
    Registered Users Posts: 17,307 ✭✭✭✭


    Because of the design of the my tank it makes it and absolute PITA to clean the filter so just got a new external filter that has 4 trays, it came with 4 of the wooly filter things

    What would be the best order of filtration, probably 4 types is overkill but was thinking wool, ceramic rings and carbon and leave the last one alone

    What does everyone suggest and is there anywhere cheap in Dublin city to buy them (see them very cheap on ebay from China and the likes)


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    #2
    OnDraught
    Closed Accounts Posts: 310 ✭✭OnDraught


    There's no real need for carbon and it can be costly to be constantly replacing it. Have a look at Eheim Substrat Pro. It's really good. I'd be inclined to do two trays of that or the equivalent, ceramic and then wool on top.

    https://www.amazon.co.uk/gp/aw/d/B000A216BA/ref=mp_s_a_1_fkmr0_1?ie=UTF8&qid=1503957937&sr=8-1-fkmr0&keywords=eheim+substrat+pro

    Ceramic rings are all much the same. If you do go with carbon buy it in pelleted form and not carbon coated sponges which are insanely expensive.


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    #3
    fritzelly
    Registered Users Posts: 17,307 ✭✭✭✭fritzelly


    I thought the carbon was good for the bacteria?


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    #4
    OnDraught
    Closed Accounts Posts: 310 ✭✭OnDraught


    fritzelly wrote: »
    I thought the carbon was good for the bacteria?

    No, carbon does nothing for the nitrogen cycle. It's mechanical filtration so it polishes water and can remove smells etc. It's good if you have medicated a tank and need to remove the medication after.

    Filling up a whole tray in a decent sized external will be costly and as long as you're doing regular water changes it's completely unnecessary.


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    #5
    Sleepy
    Registered Users Posts: 24,162 ✭✭✭✭Sleepy


    Carbon can be extremely useful in a marine tank to help keep down algae growth.


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