Newbe Cycling 75g Question! - The Planted Tank Forum
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post #1 of 3 (permalink) Old 04-29-2017, 02:39 PM Thread Starter
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Newbe Cycling 75g Question!

Hi All!

I am a newbe cycling a heavily planted 75g low tech tank. I was able to access some media from my sonís tank which I put into the 75 for a couple of weeks. (I then moved that media into a 10g quarantine tank to get that cycling started.) I have not used ammonia since I have purigen in the filter but I have put some fish food in here and there.

Day 14: Ammonia spiked to 1.0 and the Nitrite was between 1.0-2.0.
Day 15: Ammonia was .50 and Nitrite 2.0

Day 16: Ammonia was .25, Nitrite 2-5 and Nitrate 5.0

Day 17: Ammonia was 0! Nitrite 5.0, Nitrate 20

Day 22: Ammonia 0, Nitrite .25-.50, Nitrate 5.0

Today, Day 23: Ammonia 0, Nitrite .25, Nitrate 5.0

Is my tank nearing completion of cycling? Should I do a water change? Can anyone help me understand where my tank is at? Thanks so much!

Jane C.
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post #2 of 3 (permalink) Old 04-29-2017, 02:55 PM
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Should be cycled within a week looking at those numbers but it also looks like there is not going to be a big colony of bacteria so you may want to try adding some ammonia approx. 1ppm and see what your parameters are 24 hrs later or you really want to add fish slowly, very few at a time to allow the bacteria to catch up to the increased bioload which is good practice anyhow. Just my opinion

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post #3 of 3 (permalink) Old 05-02-2017, 03:16 PM Thread Starter
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I put 3 rasboras in on Sunday, ammonia and nitrite at zero this morning. Might add a couple more today and see what happens. Thank you!
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