These amazing emitters are a great way to add life to your reef if you are on a Linden dollar and prim budget. Pop along to our fantastic Virtual Aquarium for a demo. We have lovable little critters swimming and crawling all over the place! Don’t miss it. Features Super easy to use. Rez emitter box, position, click for options. Infinite copy. Menu driven settings. Can be used in aquarium, reef or ocean.