Fishless cycle - The Planted Tank Forum
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post #1 of 4 (permalink) Old 07-24-2018, 01:04 PM Thread Starter
Algae Grower
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Fishless cycle

Hi folks, having bother with cycle my tank, in the 3rd week now fishless. My parameters just now are ammonia 1ppm nitrite is 0ppm and nitrate is 20ppm why is my ammonia staying at 1ppm? Thanks
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post #2 of 4 (permalink) Old 07-24-2018, 01:46 PM
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Three questions:

- How are you measuring the ammonia?
- When did you last dose with ammonia?
- To what concentration did you dose it?

My algae is the only plant that pearls.
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post #3 of 4 (permalink) Old 07-24-2018, 02:34 PM Thread Starter
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Iím using api & jbl Liquide test kits. I dose 3ppm of household ammonia. Last night I check readings as i always do they were at 1ppm ammonia 0.50ppm nitrite and nitrate was at 15ish ppm. Since then the nitrites have zeroed. And nitrate has toppped off at 20ppm the tank is also planted around 60% with Co2

Any ideas anyone?

Last edited by Darkblade48; 07-25-2018 at 12:15 AM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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post #4 of 4 (permalink) Old 08-01-2018, 02:40 AM
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You could just have a small bacteria colony yet depending on what was used to create it. Keep in mind that you need both aerobic and anaerobic bacteria for the complete cycle. In other words, you need bacteria that need and don't need oxygen to survive. Therefore, you might have too much CO2 for the aerobic bacteria to survive causing your ammonia levels to not decrease to 0. I know Seachem Pristine and Stability are good products to create colonies with.

The liquid test kits do have expirations on the bottles. Make sure the reagents are still good.
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