Re: Switching tanks MINIATUS,
I would say saving as much water as you can is a good thing, but 50% should be good enough. Depending on the amount of LR you might be alright and avoid a cycle or at least keep it minimal. I started a 90 gallon about 6 months ago with 130# of LR and 30# LS the LR was pretty well cured and my ammonia levels didn't rise at all even with a fairly aggressive bio load for a new tank. I avoided a cycle.
good luck.
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90 gallon reef, mag 1800 main return pump, 10 gallon refugium + 10 gallon sump, CPR overflows, ASM G-1 skimmer, icecap 660 vho 440 watts. 130#LR and 60#LS. Corals: Finger Leather, Fat Finger Leather, Toadstool, flower pot sps coral, hairy mushrooms. Fish: Yellow tang, Bi-color angel, pecula clowns, royal gramma, coral beauty angel, yellow tail damsel, blue damsel, Sergeant Major Damsel. Misc. hermit crabs, snails, flame scallop, Xenia |