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Results 1 to 7 of 7
  1. Default what to do when putting in new filter cartridge?

    0 Not allowed!
    well i am going out tomorrow buy a new filter pad/cartridge(not sure what yous call it.) but i have read that the beneficial bacterial in the pad is indeed beneficial to the tank (lol). so how do i get some of that onto the new pad or what do i do
    20 gallon- platies, dalmation mollies, cory cats, red belly x ray tetras,gourami, african dwarf frog

  2. #2


    0 Not allowed!
    You rinse it out in tank water for as long as you can. If you want the carbon removed, cut the top of the bag and dump it out and replace the bag. When it's time to replace it, put a new one behind the old one for a month then pull the first one out. Or better yet, add some foam to the back of the old one and switch over to foam totally so you aren't buying cartridges at all.

  3. Default

    0 Not allowed!
    well what kind of foam would i use... i have a hang on back filter
    20 gallon- platies, dalmation mollies, cory cats, red belly x ray tetras,gourami, african dwarf frog

  4. #4


    0 Not allowed!
    I buy a block of foam that goes into Aqua Clear 110's and cut off what I need. After it's been in there a month, remove the cartridge and add more foam.

  5. #5

    Join Date
    Jan 2011
    methuen ma usa

    Awards Showcase

    Merry Christmas! - Lab_Rat thank you for the birthday wishes - mommy1 Happy One Year AC Anniversary! - Rue For being understanding, thank you - Cliff (closest I could find to a catfish) Thanks for the nomination! - sheamurai 
    Thank you for the MOTM nomination - mommy1 I think you deserve a random gift. Yes, I think you do. - PhillipOrigami For being a fellow MA native! - Lolita Happy Birthday to you. - jeffs99dime Merry Christmas - Cliff 
    World Trade Center Victims and Heroes - Fireworks Safety - genocidex 


    0 Not allowed!
    what type of filter is this? it might be a good idea to look into some of the smaller bio rings, or break up some of the larger ones. cut open the filter like LH said and replace the carbon with the biorings, if your filter has enough room like some, you might be able to add a bag of rings behind the existing filter. this way if you like the carbon, you can buy canister carbon, and just replace the inside once every few weeks instead of the full thing. just an idea
    I wonder if i plant one of my tiger barbs would the demon seed grow to a full tree?
    gotta love them bunnies!
    I.R.S.: We've got what it takes to take what you've got!

  6. #6


    0 Not allowed!
    Don't use carbon (really charcoal) unless you have a very specific need (remove meds or organics)- it is useful but for the average person, does more harm than good since if you keep it in the filter too long (and there is no way to when to replace it) the charcoal will stop removing gunk and will start adding some back.
    Knowledge is fun(damental)

    A 75 gal with eight Discus, fake plants, and a lot of wood also with sand substrate. Clean up crew is down to just two Sterba's Corys. Filters: continuous new water flow; canister w/UV, in-tank algae scrubber!! Finally, junked the nitrate removal unit from hell.

    For Fishless cycling:

  7. #7


    0 Not allowed!
    These filter manufacturers really bug me. They all say to replace the cartridge every couple of weeks because that's all the longer the carbon is good for. But they don't bother telling you when you remove that cartridge you will loose the cycle on your fish tank. All they need to do is add a warning that you can only do this if you have a secondary filter.

    You can't blame new fishkeepers when they follow the directions written on the darned instructions. I'm actually surprised that more manufacturers don't use the foam inserts like AC does. Foam holds far more bacteria that those crummy cartridges.

    Morning rant is over.

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