[Jaws]

I'm on my way to pick up 100lbs of Live Rock I've recently purchased for my 180G tank. The tank won't be ready to add live rock for about a week or two so I'll be putting it in a garbage can until it's ready. My question for everyone is do you see any harm in using the water from my 70G tank I have set up now for the live rock in the garbage can. Normally I wouldn't see a problem with this but the tank I have set up has a slowly fading hair algae problem as well as an aptaisa problem. Both of these I tend to get rid of over the next couple weeks but can either of these be a problem for the new live rock? Keep in mind that there will be no light in the garbage can so any algae would virtually die anyways.