How Long Does It Take To Fishless Cycle?

celaeno

Arkangel
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i have a 20-gallon long tank that started fishless cycling 1 week ago. i'm going by the 'add and wait' method described on this site...

http://www.fishforums.net/index.php?showtopic=113861

i have the water level at about 87%, tank light on for 12 hours daily, and temperature set to 86F (the thermometer only reads 82F for some reason).

how long should it be until my ammonia reads zero 12 hours or less after adding ammonia?

how long should it be after that, until my nitrites read zero 12 hours or less after adding ammonia?
 

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