So I'm switching over my 29 gallon standard to a fluval studio 600 that has been made reef ready with a sump and everything. 'I'll be moving everything to the new tank tomorrow. I'd like to have the new tank bare bottom. I really don't want to have a new cycle, will I lose a lot of beneficial bacteria if I don't tank any of the old sand? Should I put a cupful in the sump? Thanks for your help.
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