08-03-2013, 07:56 PM
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Originally Posted by avraptorhal
Hey Jeff! I don't understand your statement about doing WC if the ammonia goes above 1 ppm. I don't remember where I saw it, but he instructions for fishless cycling said that you need to get the Ammonia to 4 ppm and keep it there until you get nitrite. I'm not arguing just trying to understand. Thanks.
The entire cycle, ammonia oxidizers and nitrite oxidizers, establishes at its most efficient rate when the ammonia, and ideally nitrite, are below 1ppm. The nitrite oxidizers remain dormant at levels of ammonia beyond that so, while 4ppm will work for the ammonia oxidizers it stalls the second stage of the cycle.
I was able to get a cycle established in 7 days, another member here managed 9 days using the same 1ppm guide and I talked to a waste water management tech, they set up very large scale cycles in 7 days as well. There is no reason to wait weeks and months to establish a cycle using high ammomia levels when just lowering that concentration produces a cycle that can take as little as 7 days.
The point is, a WC at 1ppm or higher just lowers the concentration and accelerates the cycle.