If you went with 2lbs of Live Rock per gallon, nope, you definitely would not need substrate. Actually that helps keep the system cleaner if you don't have have any, as the.powerheads keep the detrius off the bottom and it.usually doesn't collect.
Yep will let u know how it is for a beginner i am sure it will be over whelming. We r lucky to have several lfs in our area. Supposedly this onewe r going to has a website also. I am friends with a girl from one of the lfs and she didnt know about this one. I found it onthe internet. She is going when she gets her taxes.
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