150 to 8' 360g swap questions

[tony_3a]

Originally Posted by The Grizz

All my tank swaps I have used all the water, rock and sand ( after cleaning ) from the old tanks and then just topped them off with new SW without and issue.

I agree as well, I have done lots of tank transfers this way and it works fine. Just make sure you have the top off water temperature right because you do not want to be worrying about that in the middle of the transfer.