WATER FOR DIALYSIS AmeriWater acid concentrate distribution systems help minimize your maintenance and maximize your up-time through a unique design and optimal materials. Systems are available in capacities of 130, 300, and 500 gallons.ACID CONCENTRATE DISTRIBUTION SYSTEM Long-lasting virgin polyethylene tanks with flat bottom complete with connections for fill, pump feed, and loop return Piping and true union valves are PVC schedule 80 for maximum durability Pumps are magnetic drive, medium head, poly design, with mounting frames Pressure gauge Lightly pressurized distribution and recirculation provides steady, consistent delivery and decreases air lock potential