CichlidFish.com - Fish That Think.

In 2 of my 10 gallon tanks there is overwhelming oder coming off the water. I do not overfeed the fish and clean the tanks well, The ammonia/ nitrite levels are 0 ppm, what could be the source of the smell?

What kinda filteration are you running on the tank?

Whats your nitrates read?
You may just need to clean the filter media.

my nitrates are good, i changed the filter media, ill see if that works

Is the water discolored? how long ago did you setup these tanks? how often do you clean them?

the water is clear and i clean these tanks twice a month, with a scrub down and water change about every 1.5 to 2 weeks. there is algae in the tanks, but it is green algae, nothing bad, i think i will get a snail to help with that. Thes tanks have been setup for a while, 6 months at least, and are fully cycled without a doubt