Cycling new 300 gallon?

lp85253

Polypterus
MFK Member
Mar 12, 2009
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I think both of you are correct. If I am setting up a "new" tank for new fish that I plan to get, it's all brand new water. But if the new tank is intended to house fish I already own, I'll fill it up to maybe the 1/3 level with water from their tank, install an already-cycled filter, introduce the fish and then top up with fresh new water. This mimics the sort of water change I would normally be doing, and to which the fish are already accustomed.

I am a firm believer in minimizing stress, and catching a fish in a net to transfer it is already a significant stressor. A new location, new tank set-up/decor, different lighting...these are all changes that are inevitable. I will take pains to minimize the changes that I can, and the water is just about the easiest of these steps.

If it ain't broke...:)
yep .. my thoughts exactly...
 
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