View Full Version : How do you know a tank has cycled?

06-03-2009, 01:01 AM
I inherited a 50 gal FOWLR tank, and had it running for 6 months successfully, until the summer sun started shining on it all day. I have now upgraded to a 100 gal with sump. To get to my point, how do I know when it has cycled? Someone once told me that the water gets cloudy, but I had not noticed that in my previous tank.

06-03-2009, 01:09 AM
Best thing to do is bring a sample of water to ....well.....us at RC and have us test it for Ammonia, nitrite and nitrate....or you can get the test kits to do it yourself.

I will do this publicly here. :welcome: to canreef....the world of the salt addicted and thus, lightly walleted.

06-03-2009, 05:54 AM
Simply put, the cycle is over when ammonia and nitrite are both zero. Read the link in my signature about cycling for some info.