Friday, July 31, 2009

i have 5guppies, 1 pleco, 1 cory catfish, 1 fiddler crab, 1 ghost shrimp?

i just bought another guppie today and another crab and the nitrite shot up fast including the alkalinity ..why is this?? i clean it normally it was FINE before i left
Answers:
Not only are you way overcrowded, you don't have a good combo of fish at all. Your crab shouldn't be with the fish at all since they'll go after your fish. Corys should be kept in schools. A pleco can get up to two feet in length, therefore should not be in such a small tank. Guppies need about 2g each.

I'm glad you are taking the time to worry abou nitrites (meaning you sort of care about the condition of your fish), however, I really want you to reconsider the tank situation.
might have been from the water that you added from the previous fishtank they were in.. i suggest next time you clean up your tank added NONIODIZED salt.. not too much just maybe a teaspoon or less in it to help with the nitrate.. and use PH Down which is acidic based to lower your alkaline levels if it happens to go up inbetween cleanings
need a bigger tank do a small water change and have the water tested again but really get a bigger tank

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