Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (
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Equality 01-14-2009 06:44 PM

Hi everyone I was just wondering if anyone could tell me a rough estimation of how much longer my tank has to cycle until I can add fish. Parameters are Ammonia - 2.0ppm, Nitrite - 1.0 ppm, and Nitrate 5.0. I used the API Master freshwater test kit for these results.

iamntbatman 01-23-2009 01:42 AM

It's hard to say as it depends on a huge number of variables. It could be anywhere from a week to several weeks more. Just keep monitoring those levels. Eventually you'll have zero ammonia and nitrite and a positive nitrate reading. Depending on the nitrate level, you may need to do a large water change before adding fish.

What ammonia source are you using to cycle the tank?

Equality 01-25-2009 01:28 PM

I had a tiny bit of pure ammonia in the house left but ran out and could not find a place that sold it so I started using fish food. My readings are:

Ammonia: 0.25ppm
Nitrite: 5.0 ppm
Nitrate: 5.0ppm

FordMan 01-25-2009 03:18 PM

i'd say about 3 weeks to be safe and now that you have those readings dont add any more food or amonia

jbonez 01-05-2011 04:56 PM

do a 25 to 50% water change those are pretty high readings.. good luck

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