dimanche 5 octobre 2014

Tank upgrade questions

I am getting ready to upgrade my tank from a 70g to a 120. I currently have 80lbs. of live rock. I plan on getting all new sand. Few questions:



On a lot of 120g tanks I see online, it looks like they don't even have 50lbs. of rock? Will I need to add more rock to the tank if the live stock is the same from the 70 to the 120? And if I add additional dry rock and sand, will my tank start a cycle again?



Also, what size sump will I need for the 120? I have a 20g long sump for the 70g. Will that work or should I get a 40b from Petco $1 a gallon sale?




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