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Ok, the best piece of advice is to have an action plan and be prepared. This will enable you to get the job done, most efficiently and effectively with the least amount of stress brought upon to your livestock.
You are going to need bins, buckets etc. to store your livestock, rock and substrate.
Basically, the aim for you is to use as much of the water from the old tank and put into the new tank. One VERY IMPORTANT tidbit, make sure you have saltwater prepared to add to your new tank at the correct temp, pH salinity etc. before ou even start the move/switch!!!!!!!!!!!!!!!!!!!!
Now that you have all this set up, you are ready to go-start by removing your coral/liverock and inverts. Place them in a bin with water from your existing tank. Then remove the fish and place them in a separate bin/bucket.
Take as much of the water from the old tank and put it into another bucket. Now, remove the substrate from the old tank and put it into the new one.
Slowly add the water that you have from the old tank into the new one while trying not to disturb the gravel(use an aluminum pie plate etc. to pour water on so that you get a gentle water flow and not blow the gravel all over the place and cause cloudiness.)
You can now add the live rock to your new tank, then the coral, inverts and fish. Add some of the new water to your new tank to bring the water level up to the desired level slowly! (DO NOT) add the water that housed your fish/corals/live rock in holding while the switch was being made-polluted/acidic/low oxygen water etc.!!!
Once all of this is done...if you are going to use the same powerheads etc. the best time to do this, and I would advise that you do thoroughly take advantage of this time to clean your equipment, would be NOW!
Once the water is at the desired level, you may want to check your water parameters the following day for piece of mind, and keep an eye open for any changes in fish /invert behavior, coloration and eating habits to make sure they have made it through the switch effortlessly and under as little stress as possible. The same holds true with corals, anemone's and clams.
The main thing, in addition to being prepared, is to keep as many variables constant as you can-no abrupt changes in water quality, coral placement, temperature etc. to alleviate as much stress as you can.
One final note: try to stay as calm as you can...your livestock will thankyou for it, as it will go along way in the success and ease of the tank switch/move!
Now, itwill be easier for you than It was for me as I moved 45 minutes away and was going from a 75 gal tank to a 125 as well as taking apart my 30 hex and setting that up at the new place.
I lost nothing but one Acropora frag...pretty unbelievable, I think-I give my fish, inverts and coral alot of credit for resiliency and ability to make a move like that. The reason why I say this is that you will have no problem with your switch-just think it through, don't panic and be prepared!!!!
Best of luck!
This is it basically in a nut shell. _________ 125gal.w/Mag9.5 return(dual megaflow)>Mag7 pump Aqua Cev180skimmer.Wave2k Hamilton Reefstar(2)250watthqi(mh)pend.a Yellow, Naso Tang Red Lip Blenny Percula Clown Demoiselles Niger Trigger F. Wrasses Ceriantharia Orn.Shrimp and Stars Hermits Queen Conch asst. snails> Stars Zoos shrooms Montipora Brains Gorgonians Favia Turbinaria(large+small polyp) Acropora Xenia Tridacna (CroceaMaximaSquamosa) Leathers <35+75gal.reef tank as well> 
"IF THE PHONE DOESN'T RING...IT'S ME"  jb 
Last edited by coral reefer; 12-09-2006 at 06:38 AM.
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My boat and my kids. Eddie the fawn pitbull with the black mask is 10 years old and his brother tommy the black pitbull is 8 years old.
