Apex Reagent For Neptune Trident

The Trident 2 Month Reagent Kit has at least 240 alkalinity tests and 120 tests each of Calcium and Magnesium. The kits include: Two bottles of Reagent A (changed every month) One bottle of Reagent B (changed every two months) One bottle of Reagent C (changed every two months) One bottle of calibration seawater sample