The Radion has been one of the most popular LED fixtures on the market, just as the Apex has been one of the most popular aquarium controllers. But for the first two years of coexistence in the aquarium equipment marketplace, the two weren’t exactly a match made in heaven, despite the fact that Neptune Systems has heavily supported EcoTech Marine products. MORE: Neptune Systems Now Offers Full Wireless EcoTech Radion Support Through Exisiting WXM Module