Dirty tank... don't understand - The Planted Tank Forum
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post #1 of 6 (permalink) Old 11-02-2012, 11:36 PM Thread Starter
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Dirty tank... don't understand

I have 2 tanks-- a 29 gallon and a 5 gallon.

The 29 gallon has been using the same gravel for 3 months and has more than 15 fish in it that whole time.

In contrast to this, my 5 gallon only has one Betta in it and I changed the gravel last week.

In 1 week my 5 gallon has more fish waste in the gravel than the other tank with 15+ fish in it (that tank also has a Betta)

does anybody understand this?
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post #2 of 6 (permalink) Old 11-03-2012, 12:12 AM
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Are you feeding the 1 betta 1/15th of the food exactly? It's hard to feed 1 fish after feeding a tank full. Also, the 29gal is going to have a huge surface area on the gravel compared to the 5gal so it's going to look like a lot more even though it may be the same amount of waste, or 1/15th the waste.

That or you have a poopy betta.

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post #3 of 6 (permalink) Old 11-03-2012, 12:16 AM Thread Starter
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Thanks for the response. I feed my Betta three small betta pellets, in contrast to the tropical flakes I put in the other tank.

The other tank does have 2 plecos, so maybe they just do a better job of eating the poop or something.
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post #4 of 6 (permalink) Old 11-03-2012, 12:57 AM
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The Plecos in your 29 gal will eat up a lot of the uneaten food that goes to the bottom of your tank, hence not a lot of waste remaining. But Plecos don't eat poop - no fishes eat poop. Plants will use the poop however.
The excess of waste in your 5 gal seems like uneaten food, not poop - you sure you only give that Betta 3 pellets a day ? If it's not that, do you have plants in that tank ?
That may create some dieing/decomposing plant matter that will be the cause of some of the waste.
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post #5 of 6 (permalink) Old 11-03-2012, 12:59 AM
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Maybe you just have a better filter on the 29 gal. Canister filters are very efficient.

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post #6 of 6 (permalink) Old 11-03-2012, 03:27 AM
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Do you have any driftwood in the betta tank? There is always alot of dirt around my driftwood.

My betta tanks have an amazingly large amount of waste in the gravel as well tho, I'm always astonished at how much dirt gets sucked out when I vac. And I wonder the same thing as you - how is this one little fish making such a mess? Sometimes it seems like the gravel is breaking down or something.
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