Yep Another Cycle Question

Deezill

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Hello,
I have a quick question about my 210 and they cycle process. I have went with a fishless cycle. On Christmas
I added the correct amount of Dr. Tim's Ammonia Chloride to reach 2ppm. I added some Brightwell Microbacter7
and let it go. I have been testing on occasion. A few minutes ago I just tested and my results are below.

Ammonia = 0.00
Nitrite = 0.00
Nitrate = 50ppm (down from 100ppm last week)

My test kit is Red Sea for ammonia and Salifert for No3 and No4.

My question is just continue to wait for Nitrates to drop? I'm in no rush considering my journey started March of 2018. I don't want to miss the opportunity to put fish in and the good bacteria has nothing to feed on.

My last question is how big of a water change do I need to perform once the cycle is complete. Thanks.
 

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If you have a skimmer, consider using nopox to get it down. This avoids water change. There are also nitrate pads that work too. Did you lower the nitrates yourself or was it bacteria (because if you did nothing then that is some impressive bottle of microbacter lol).
 

Idoc

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Typically a 50-75% water change following a cycle to reduce nitrates... but, that's a lot of water in a 210g system!
 
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Deezill

Deezill

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If you have a skimmer, consider using nopox to get it down. This avoids water change. There are also nitrate pads that work too. Did you lower the nitrates yourself or was it bacteria (because if you did nothing then that is some impressive bottle of microbacter lol).
I have done nothing to the tank except top off. I do have my skimmer. I thought i was to wait until nitrates hit 10ppm
 

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Funny thing is I have some NoPox lol. I will be using it thanks for the idea.

Just make sure your skimmer is working properly. I've crashed my tank before when my skimmer stopped working while using nopox lol
 
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Deezill

Deezill

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I have a

They discontinued but this skimmer is a workhorse.
 

Idoc

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should i wait until the nitrates drop from 50?
Your nitrates probably won't drop from the 50ppm. The bacteria to convert no3 to nitrogen gas is anaerobic therefore has to populate deep in your live rock... which takes years, if at all. The 100ppm earlier was probably a reading of nitrate and nitrite since hobby nitrate tests also include nitrites in their calculation; therefore your nitrates didn't actually drop to 50ppm.
 
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Deezill

Deezill

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Your nitrates probably won't drop from the 50ppm. The bacteria to convert no3 to nitrogen gas is anaerobic therefore has to populate deep in your live rock... which takes years, if at all. The 100ppm earlier was probably a reading of nitrate and nitrite since hobby nitrate tests also include nitrites in their calculation; therefore your nitrates didn't actually drop to 50ppm.
good to know. Thanks.
 

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Your nitrates probably won't drop from the 50ppm. The bacteria to convert no3 to nitrogen gas is anaerobic therefore has to populate deep in your live rock... which takes years, if at all. The 100ppm earlier was probably a reading of nitrate and nitrite since hobby nitrate tests also include nitrites in their calculation; therefore your nitrates didn't actually drop to 50ppm.


I was gonna say that is some heckin microbacter7 haha
 

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