01-23-2014, 12:18 PM
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How many fish can you add w/o crashing cycle?
The bacteria colony can double in size in 24 hours, so I have always used that as a guideline. What that means is the bioload that you can safely add to the tank is a function of the current bioload of the tank. The larger the colony, the faster it can grow. If you have 20 neons in a tank, then theoretically you can add 20 more and have things balanced out after just a day or two. In practice I have found that to be more or less accurate - I've combined two tanks of similar bioloads (adding some 25 fish), dosed daily with prime for 3 days, no water changes and no problems whatsoever.
Of course it's important to have the filtration capacity to allow the bacteria to grow.
Last edited by jaysee; 01-23-2014 at 12:21 PM..