Multi-Tank Water Softener Single Tank Maximum Grain Capacity 132 000 Brine Tank Capacity 1 000 lb Total Number of Tanks 3 Number of Resin Tanks 2 Number of Brine Tanks 1 Brine Tank Diameter 24 in Brine Tank Height 50 in Grains Capacity at 10 lb/cu ft Salt Dosage 124 000 Grains Capacity at 12 lb/cu ft Salt Dosage 132 000 Grains Capacity at 4 lb/cu ft Salt Dosage 72 000 Grains Capacity at 6 lb/cu ft Salt Dosage 96 000 Grains Capacity at 8 lb/cu ft Salt Dosage 112 000