smelly aquariums

soigotthatgoingformeNovember 8, 2007

I've got two 29 gallon afican ciclid tanks. both have crystal water. both are well-established for over a year. fish are health. problem: the tanks both stink. they are in separate parts of the house but they both smell terrible. we do a 30% water change every 2 weeks. ph is high (8.2 - 8.4) - like it should be for africans. we use start right to treat the tap water before adding. what the heck??

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petiolaris(Neutral)

It may be from accumulated wasteproducts from gravel / substrate. Perhaps removing the fish to another container while you thoroughly stir things up to have removed by a filter and/or water change?

    Bookmark   November 9, 2007 at 12:56PM
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birdwidow

I also suspect the substrate, along with too few and small of water changes. In the closed system of a tank, regardless of how well you filter, the fish are still swimming in their own sewage, and sewers- stink.

With a good biological system, and for that, any in-tank foam sized to the tank will do the job, you can change 50% every week and not lose the bio, while still mechanically filtering out the junk.

    Bookmark   November 9, 2007 at 9:19PM
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oppalm(6)

when you do the water changes are you vacuuming the rocks ? can't help but think your filtration system is not doing its job. May be time for a new filter.

IMO a 50% water change every week is too much. You've got other problems that need to be addressed if the water smells that bad.

I have too many big gold fish in a 75 gallon aquarium, change the water once a month and it never smells.

    Bookmark   November 13, 2007 at 10:19PM
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