- Aug 12, 2020
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So I am looking to potentially downsize my tank from a 125 gallon tank to a 40 gallon tank. What would be the best way to approach this? Put in new sand - move the live rock from old tank to smaller tank. Use the water from old tank or put in new salt tank? Will be looking to move 2 clowns 2 shrimps 5 corals and a few snails and hermit crabs. Any insight is appreciated.