Once "COND" dissappears

Can I clean the ceramic pre-filter instead of replacing it

Precision starts at the probe

Prepared with reagent grade chemicals

Milwaukee MI512-100 Low-Range Phosphate Reagent Kit – 100 Tests for MI412 Photometer radon water filter Once "COND" dissappearsMilwaukee MI512 100 Low Range Phosphate Reagent Kit 100 Tests Maintain precise phosphate monitoring with the Milwaukee MI512 100 a professional grade, ready to use liquid reagent kit engineered specifically for the Milwaukee MI412 Low Range Phosphate Photometer. Using the proven Ascorbic Acid Method, these reagents deliver accurate, repeatable phosphate measurements in the critical low range window of 0. 00 to 2. 50 ppm (mg L) PO ideal for