Re: Establishing 2nd tank
Adding filters to a tank does not increase the size of the bacteria colonies, it will spread them out. The colonies always size to the available food source. The bateria live on all the hard surfaces in a tank with the greatest concentraion where the best source of food and oxygen occur (ussually the filter).
I suggest you move some gravel/decor/filter media from the estanblished tank as seed material for a fishless cycle.
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