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					Originally Posted by  FFGirl
					 
				 
				Thanks so much everyone for the welcome, and for the advise!! I appreciate it    I was figuring I would get my live rock from Pisces as they give a discount o your 1st purchase of it when you buy a tank from them. They carry cured, cultered live rock. I am wanting to take this very slowly as I know that is the key to minumising catastrophe lol. So the couple things nobody has commented on that I still feel sketchy on, are, is it ok to use grocery store RO water?  I just would rather wait a bit before investing in a RO DI unit of my own.  Also, chemicals needed for a healthy reef and when do I add them, or do I at all? And then the shrimp with a cleaning crew if I supplement their food? Or do the shrimp come in once there are fish   
Thanks again everyone!! You guys are awesome!!  
			
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 Are you referring to chemicals or elements (like calicum, mag, etc.)?
Only the latter are necessary for reef keeping IMO.