Hi Adrian. Welcome to scr. So yes coral selling is allowed but you will need meet the requirements of the rules before your allowed to sell. If you go to the sale section you will find the rules in a sticky at the top of that page. The rules are in place for to reasons. One is so these boards don’t look like Craigslist or OfferUp. The second is the most important reason and that’s to protect existing members from potential scammers. So please share your tank and equipment in a post in the members tank section. We all love pics so let’s see your tank. By sharing your tank you should hit the 20 post minimum in no time