1. SPECIFICATION: REFINED TABLET SALT (WATER SOFTENER SALT) Tablet Salt are premium quality compacted salt, one of range of superior products for water softener regeneration. Produced to standards ensuring consi stent performance. (ROUND SHAPE, SOLID, WHITE, FREE FROM CLAY, GRIT, I MPURITIES, ETC.) CALCIUM Ca % Max. 0.03 MAGNESIUM Mg % Max 0.019 SULPHATE So4 % Max 0.158 WATER INSOLUBLE % Max 0.05 MOISTURE % Max 0.15 NaCl % Minimum by mass on dry basis 99.60 PHYSICAL SHAPE: TABLET ROUND SHAPE, STRONG, SMOOTH, COMPACT SIZE OF EACH TABLET: 20MM IN DIAMETER, 8MM IN HEIGHT