DIY HOB Filter

Discussion in 'DIY - Do It Yourself' started by thequietman44, Jul 24, 2014.

  1. thequietman44Valued MemberMember

    This may have been mentioned already, but I came across this video a couple months ago and just had to give it a try:

    Basically built mine exactly the same way but with fewer fittings (top doesn't need to be sealed) and made my own bulkheads for the overflows using O-rings and PVC electrical fittings. About $15 including Polyfill filter media (be careful to get untreated 100% polyester). Mine is running at a relatively slow ~130gph using a submersible pump I had lying around so it's most effective for biological filtration, though it's as good as a canister at trapping any solids that make it inside.

    Anyone else done something like this or are most DIY filters wet/dry or canister type? If you have made a DIY HOB filter, how is yours set up? What media do you use? How would you compare it to a store-bought filter?
  2. AquaristFishlore LegendMember

    Thank you for sharing the information!

    Ken :)
  3. thequietman44Valued MemberMember

    A few pics of mine so you can see how it looks on the tank:


    You can see how the bottom layer of filter floss and the lower polyfill is starting to accumulate some debris (slight green color).
    Last edited by a moderator: Nov 23, 2018
  4. Archie1208New MemberMember

    Very cool and interesting. Thank you for sharing

    Sent from my iPhone using Fish Lore Aquarium Fish Forum

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