Confusion on cycling - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 12-19-2015, 12:45 AM Thread Starter
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Confusion on cycling

Ok not new to this. Tank has been seeded with established media and water. It's been roughly 3 weeks. My ammonia levels aren't dropping. Getting frustrated. Been doing water changes. Let tank sit for 2 days and retest this is what I keep getting.



Nitrites are perfect and nitrates are too. Why are my ammonia levels that high!?

Tank is mediocrely planted. I have algae growing and I want to get shrimp for algae clean up som what but scared too.


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post #2 of 6 (permalink) Old 12-19-2015, 12:55 AM
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My thoughts are that you're changing the water before the bacteria have been able to establish themselves; NH3/NH4 -> NO2 -> NO3. It looks like you've got measurable nitrAtes, but the bacteria that convert NH3/NH4 to NO2 are not able to get entrenched first. Have you tested to see if your source water has nitrates? It may be why you're seeing nitrates now and are changing water too soon before the cycle has had a chance to settle in. I hope this helps. TC

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post #3 of 6 (permalink) Old 12-19-2015, 12:55 AM
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Test your new water to see if it has ammonia.

If it does, you're adding more ammonia into the tank per water change.

If not, something in your tank may be decaying.
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post #4 of 6 (permalink) Old 12-19-2015, 01:00 AM Thread Starter
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Confusion on cycling

I'm running distilled water from grocery store. My tap water is to hard for shrimp. everything should be 0. But I'll test it.

Nothing decaying only thing in it is plants that are healthy.


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post #5 of 6 (permalink) Old 12-19-2015, 01:06 AM
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Not sure why you're doing water changes at all. I'd let it sit until ammonia is zero.
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post #6 of 6 (permalink) Old 12-19-2015, 01:18 AM
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Quote:
Originally Posted by kevmo911 View Post
Not sure why you're doing water changes at all. I'd let it sit until ammonia is zero.
Ditto

If planted and no fish...
No need for water changes unless Nitrates spike way high.

Aren't we all just living in a giant fish bowl?
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