Seachem HydrototeOverview Dealers asked for it, and Seachem delivered. HydroTote is the ideal space saving alternative for shops carrying current 5 gallon hard jugs that simply consume too much space in the home, office, or pet store. The HydroTote is a collapsible jug that holds up to 20 L (5 US gallons) or 10 L (2. 5 US gallons). It's perfect for customers that get their saltwater, RO water, or DI water at their local fish store. When not in use, it folds and