EcoTech Marine VorTech Battery Back-upFor almost all people it is not if, but when the power will be lost to your tank. If you have Ecotech Vortech pumps you will get a lot of value out of the Ecotech Battery Backup module. It is one of the easiest battery backup solutions on the market, and once you piece together another battery backup configuration there is a ton of value in the Ecotech line and their battery backup In an aquarium with no flow, fish and corals begin to die in as little