Angel Fish

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msubhan

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Feb 6, 2019
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After 1 week of adding fishes into cycled tank tested water parameters using API test kit

Ammonia - 0.25 ppm
Nitrite - 0
Nitrate - 0

Does water change required or can I wait for 1 more week and test again?
 

Joannestech92

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Mar 1, 2019
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Any amount of ammonia is harmful. You may need to do a couple water changes in order to bring it to zero.
 

msubhan

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Original poster
Feb 6, 2019
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ok Thanks. As I have canister filter on 50 gallon tank, with 5 medium,4 small angel fish, what is the frequency of water change?

I had an assumption having canister filter( once filter is established) leads to less frequency of water change , may be every month?
 

Joannestech92

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Mar 1, 2019
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Since you don't have any Nitrate try not to disturb the bed of the tank. I'd do one and wait 24 hours to retest and see where you're at. 20% should be fine to start. How often do you normally change your water?
 

msubhan

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Feb 6, 2019
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yes I did 20% water change today. This is the fist time did water change since the tank was newly setup after 5 weeks.

you mean bed of the tank is gravel or sand at the bottom?
 

Joannestech92

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Mar 1, 2019
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Yes the gravel or sand. That's where your nitrate is going to be.

It's hard dealing with ammonia without any nitrate. 5 weeks seems a little long to go without water changes. Even if you have a decent canister filter you still have to keep up on general maintenance.

I hope this helped in some way. I'm not a professional and can only share what has helped me in the past. Best of luck to you and your fishies
 
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