Raritan Salt Feed Unit Complete f/LectraSan 2-Gallon. Salt can be added to the LectraSan using a 2-Gallon Salt Feed Tank for brackish water. Low salt is indicated on the LectraSan Control Indicator Panel. Operation A salt solution is mixed and placed in the salt feed tank. Every time the toilet is flushed part of the salt water solution is mixed with incoming water to increase the water salinity in the Treatment Tank. The LectraSan Control Indicator Panel will show when the Salt Feed Tank needs to be refilled with more salt solution. Specifications for Raritan 2-Gallon Salt Feed Unit Complete f/LectraSan: Manufacturer: Raritan Color: Black Package Contents: Raritan 2-Gallon Salt Feed Unit Complete f/LectraSan Raritan 31-3001: Salt Feed Unit Complete f/LectraSan 2-Gallon