NEW! Store multiple chemicals in a single, multi-compartment dual containment tank. Configure two, three, or four different liquids in one compact space, each with separate containment that is as flexible as you need it to be. The new Gemini² MCU™ (Multiple Chemical Unit) has individual modules available in 6 and 12-gallon sizes. Configure your tank with (2) 12-gallon tanks, (1) 12-gallon and (2) 6-gallon tanks or (4) 6-gallon tanks, all in one compact space. Great for Biocide/Inhibitor set-ups, Pool Chemical feed systems or any other application where you requre multiple chemicals with limited space for storage.