End of cycle?

L

La Barbe

AC Members
Mar 13, 2009
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I think my cycle may be over. It's a 110 gallon tank, and I don't know how many weeks it's been cycling, but it already went through ammonia spikes and a nitrite spike. I'm fishy cycling; there are 13 danios in the tank.
today and last night, both my ammonia and nitrite readings are 0ppm (done w/ liquid test kits) and my nitrates are below 40, possibly below 20 (strip test, unsure)

Is my cycle done?

Can I slowly add my other fish? I will be taking out the danios and putting them into my gf's planted tank.

I will be camping until sunday, so I won't add my fish now. I'll check the levels again when I get back and post them to check again, but I'm assuming if they're still 0ppm, I'm good to add.

Oh, and my other fish are a green terror (6"-8") and a convict (3-"4")

Thanks!
 
Are you checking the other levels (ammonia, and nitrite) with strips too? I may be a good idea to buy a good liquid test kit to confirm your readings. According to the test results you have provided it sounds like your cycle is over, and can add fish slowly. Again check to confirim with a liquid test kit
 
La Barbe said:
I think my cycle may be over. It's a 110 gallon tank, and I don't know how many weeks it's been cycling, but it already went through ammonia spikes and a nitrite spike. I'm fishy cycling; there are 13 danios in the tank.
today and last night, both my ammonia and nitrite readings are 0ppm (done w/ liquid test kits) and my nitrates are below 40, possibly below 20 (strip test, unsure)

Is my cycle done?

Can I slowly add my other fish? I will be taking out the danios and putting them into my gf's planted tank.

I will be camping until sunday, so I won't add my fish now. I'll check the levels again when I get back and post them to check again, but I'm assuming if they're still 0ppm, I'm good to add.

Oh, and my other fish are a green terror (6"-8") and a convict (3-"4")

Thanks!
Click to expand...

Sounds like you are good to me...
 
I think your good too! Good call doing the live cycle with the Danios. I have 3 danios that i've cycled 3 tanks with. Definitely speeds the process up. Just make sure you dont put them in a tank with high ammonia levels.. That would just be cruel.... I would also use the liquid test kit at least for the ammonia. Other than that, I would say go ahead and start adding fish!!!
 
Thanks, I'm going to add them slowly now. Also, thanks for quoting me so I didn't have to, Rbishop.
 
Hey - congrats on getting to the end of the cycle! I'd keep using the media if it's in the filter. When you remove it you will also be removing the bacteria that it contains, so just be careful to check the readings in case the other colonies of bacteria have to increase a bit to make up for the loss. I'm sure your green terror and convict will be very happy now!
 
Maybe it's not done.
I had the convict in a bag in the new tank and decided to test the water again for ammonia. It's now between 0ppm and .25ppm. Maybe the cycle is not done? It's back in the old tank now. Bummer.
 
congrats.. your cycle appears to DONE!!

do a 50% water change, and resume stocking
 
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