Replacing the SP-C2 probe is the most cost-effective way to restore your HM-200 to factory-spec performance — at a fraction of the cost of a new meter

at 1 point through trimmer

Includes a TDS chart sticker on the back of the meter that explains TDS values

Clean your Probe regularly by soaking in cleaning solution

water quality professionals

Santevia Gravity Water System Fluoride Filter – 6-Stage Replacement Cartridge LED TDS tester Replacing the SP-C2 probe isSantevia Gravity Water System Fluoride Filter 6 Stage Replacement Cartridge The most comprehensive replacement filter for your Santevia Gravity Water System. This 6 stage cartridge removes up to 98% of fluoride, 99% of chlorine, plus lead, cadmium, microplastics, herbicides, pesticides, and pharmaceutical residues while infusing your water with calcium, magnesium, potassium, and trace minerals to naturally raise the pH to alkaline levels. Filter