arkmann;932282; said:My amonia readings is now very low. Its at 0.1ppm. Nitrite is still of the charts. I have a dead fish hanging around the aquarium to serve as constant source of ammonia.
I was wondering as to how long does it take for NO2 levels to drop to zero?

arkmann;933356; said:It takes longer? Just when I thought I was close to being finished... I guess its time to wait again...

arkmann;933438; said:Its still off the charts. Its the highest color on the color chart which is red.
arkmann;959719; said:Current ammonia reading is zero, nitrite is .05, and nitrate is off the charts. Can I consider my cycling done eventhough I have a minute concentration of nitrite left?