I have used the Marco Rocks on all of my tanks and love it. No need to cure or anything. Just rinse with tap water. I wouldn't recommend live sand either. Get some Tropic Eden sand and you will thank me. Zero dust, does not need rinsed, ultra consistent and comes in several different grades. Disclaimer: I'm the type of guy that likes to be different, try new things, purposely do things different than the norm. I prefer to lead than to follow. So I don't like to do the whole 4-8 week cycle. I like to use Dr. Tim's One and Only and have it cycled in days. I have always had great luck doing this. My current tank is flourishing and I used the exact products I just listed. But the reason for my "disclaimer" is that what works for one reefer doesn't necessarily work for another. For this reason, I don't always like posting how I do things in my setup. I don't want to someone to try it and then they not have the same success. However, I felt it would be unfair to not post the method I use... in case you want to try it yourself. With that being said, plenty of people fail when they do the 4-8 week cycle. This hobby just keeps you on your toes!