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Thread: HELP! Pros and Cons of filter compartment at the back of the tank?

  1. #1
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    HELP! Pros and Cons of filter compartment at the back of the tank?

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    Hi,

    I have a 2ft tank and already using 2 Eheim canisters for filtration.

    I am thinking of starting a 2nd tank, community aquarium with tetras etc, probably a planted tank as well, this time 3ft custom build which will need more filtration. Looking at some LFS, I see that some tanks have a separate compartment within the tank itself for filtration. One tank had a fake rock wall along the back of the tank and behind it would be a absolutely huge space for filter media.

    May I seek this forums advice:

    What are the pros and cons of having a filter compartment inside the tank versus regular canister filter? The obvious one, less space for fish, I have no problems as 3ft is big enough for my needs.

    Which such a massive space(lets say create a partition using fake rock wall), how does one load the media into it in a way that facilitates easy maintenance. Do you just dump media bags in or are there specially designed filter baskets (then I might need to find out the dimensions to ensure that they fit)


    Thanks for your help!

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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    Quote Originally Posted by erwinx View Post
    Hi,

    I have a 2ft tank and already using 2 Eheim canisters for filtration...

    ...What are the pros and cons of having a filter compartment inside the tank versus regular canister filter?...!
    Personally, that is my favourite and preferred filtering arrangement, namely having part of the tank partitioned off as the filtering compartment.

    To me, it is the most economical and effective filtration for a tank, as I also only use a simple airline to lift the wster up through the media. Throughput for my method may be low, but that is exactly what I like. Since I exercise descretion with regard to overstocking, my tank water always remain good.

    However, if one is inclined to overstock a tank, high-power filtration, such as using more than one canister, is not only desirable but imperative.



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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    As to me,internal overflow filtration is a definitely MUST.my few neighbours below my floor cook curry,deep fried fish EVERYDAY,the pungent oil smell will flow into my whole house from kitchen to hall and bedroom.when i reach home in the evening,my tanks will have a thick layer of oil.i used to scoop the oil out in the past EVERYDAY until i figure out to make an internal overflow system and the oil film problem stop.

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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    thanks for your help. Do you have any link to any photos or website for me to understand more about this internal overflow system? If you have photo of your own setup that would be great!

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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    Suckerfish no eat poo poo.

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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?


    My so called ( internal overflow )


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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    @allantpcb

    This is very good.

    It would be better if the top and bottom parts are built with plastic netting. In my experience, some of my fish managed to get inside the compartment and it's hell of a chore getting them out, and they can also die inside, causing foul bio-overload.

    PS. I saw the netting / grill at the top.

    Where can I buy this filter compartment? Thanks.
    Last edited by tetrakid; 11th Oct 2017 at 15:48.



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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    @allantpcb very nice, with lots of space for filter material. where to get it? do they have a even bigger one with extra compartment? (maybe to insert in a mini submersible uv bulb in the extra compartment (separate from the bio media of course...)

    bryan - thanks for the link!

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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?




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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    Hi,

    I assume this is DIY since I went to some shops and they don't sell it (except for a $100+ box that the Juwel Rio aquariums use).

    May I know where to buy the plastic pieces to DIY my own internal filter? Seems easy enough to just glue it to sides using aquarium silicone.

    Thanks!

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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    Following the same concept, I have once used a plastic bottle to construct a simple and econom?ical piece of apparutus...
    Attached Images Attached Images



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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    Quote Originally Posted by erwinx View Post
    Hi,

    I assume this is DIY since I went to some shops and they don't sell it (except for a $100+ box that the Juwel Rio aquariums use).

    May I know where to buy the plastic pieces to DIY my own internal filter? Seems easy enough to just glue it to sides using aquarium silicone.

    Thanks!
    My internal sump is make of precut to size dark glass.As for the water intake part im using the clear polycarbonate together with stainless steel wire mesh so small fishes cant get into the sump.i still have some to spare if you want(8.5 x 12 cm).


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    Re: HELP! Pros and Cons of filter compartment at the back of the tank?

    Quote Originally Posted by erwinx View Post
    Hi,

    I assume this is DIY since I went to some shops and they don't sell it (except for a $100+ box that the Juwel Rio aquariums use).


    Thanks!
    Juwel products generally cost alot more. The filters are expensive partly because they have a built in heater which isn't necessary here.

    I have seen very large sized box filters by other brands that cost alot less. Get one that you can swap out the powerhead in case it breaks down.

    Making one out of acrylic should be quite simple if you have the dimensions all worked out. Acrylic suppliers also sell the adhesive that makes a very clean weld.
    Suckerfish no eat poo poo.

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