Neptune Systems MXM ModuleExpand Your Possibilities Mix and Match your Favorite Equipment! Scheduled Feeding With the Apex, you can easily start a feed cycle for your fish and corals using a light pulse for your Vortechs, feed intensity for your Vectra, turning off your skimmer, and activating your AFS, all with a push of a button or at a scheduled time. Water Change or Service By pressing a button your Vectra will turn off, your Radion lights will go a bit more white to be