Tropical Fish Keeping - Aquarium fish care and resources

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SheyFirestar 06-24-2008 07:38 PM

Filter question
After hearing a lot of good comments on biowheel filters i bought a penguin 200 for my tank to replace the filter that came w/ my tank. i currently have them both running in my tank so i dont lose all the good bacteria in my original filter. how long should i continue to keep them both in there?

iamntbatman 06-25-2008 12:41 AM

Why not forever? Unless you really need the old filter for something else, I'd just leave it there. It's hard to overfilter a tank unless you're doing CO2 or have fish that like less current in their tanks.

SheyFirestar 06-25-2008 08:41 AM

im not opposed to keeping it in there but i was considering getting another tank maybe a little 10 gallon or so for a beta or something and i was going to use it for in there, so what do you think. how long do you think i should leave them both in there to populate the new filter and biowheel?

btw my the tank they are in is still not established either so would that be a good way to tell when its a good time to remove it. say like a week after the ammonia and nitrites are at 0.

and thanks for all the help ive received on these forums you guys and girls :) have been really helpful.

iamntbatman 06-25-2008 12:11 PM

I think you'd have the best results if you waited until the aquarium is fully stocked, plus a week. The more bioload you have in the tank, the more bacteria will have grown in the filter, giving you an even better headstart on using the extra filter to jumpstart your cycle on whatever new tank you get. However, by the time both your ammonia and nitrites have been at zero as you said, you will definitely have at least some bacterial growth in the filter, so I would say that's probably the earliest I would take it off if you're looking to use it to kickstart a cycle on another tank.

SheyFirestar 06-25-2008 07:39 PM

ok thanks for the advice one more question though, the lid i have on my tank right now doesnt have enough room for 2 filters. ive seen quite a few people on here that run 2 but im not sure how you guys do it. any tips on how to make them fit, right now my tank is not fully covered and i dont really like that. i dont have any fish that are jumpers but it definitely makes the water evaporate faster. could i maybe just get a piece of plexiglas or something and cut it to fit the gaps i have until i do finally take the old filter out or is there some other trick?

iamntbatman 06-25-2008 08:07 PM

What sort of hood are you using? If you use a regular Perfecto or All-Glass glass canopy, it comes with a plastic piece that covers the back 2" or so gap between the glass canopy and the back wall of the aquarium. You can cut out whatever holes you need in this plastic in order to make room for your filters, hoses, heater wires...everything.

SheyFirestar 06-25-2008 10:07 PM

ok well i have a hood that come with my tank, it has a few perforated plastic pieces. but even if i took out the biggest one it would be a few inches too small for both filters. i tried to find an all glass like your talking about but none of my pet stores around here carry a 30 inch version that fits my tank. when i first put the two in i tried modifying the hood i had and cut a few extra inches out and shattered the glass area. so when i went to replace it i wanted one like your talking about but cant get one around here unless i order online im guessing, or have a store order one for me. but because i needed one that day i had to buy the only kind they carried for my tank. im going home tomorrow and if i bought plexiglas and took measurements my dad has the tools i could use to cut it just right. do you think this would work?

iamntbatman 06-26-2008 12:36 AM

I don't see why it wouldn't. Let us know how it works out!

SheyFirestar 06-26-2008 01:10 AM

alright will do, guess you cant keep a hoopie from jimmy rigging his fish tank w/ plexiglass and duct tape, j/k not using tape lol.

okiemavis 06-26-2008 05:36 PM

Plexiglass will work perfectly for what you're planning. You'll have to decide whether or not you want a hinge in the middle, but either way will work. I actually took the hinge out of one of my perfecto glass canopies because I wanted to be able to life the front glass panel out instead of flipping it up. My only suggestion is to attach a handle, cuz accidentally dropping the lid into your tank would stink.

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