Neptune Systems recommends keeping on hand no more Trident reagent than you might expect to consume within the next 12 months. 6-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day). Kits include: 6 bottles of Reagent A (changed every month),3 bottle of Reagent B (changed every two months)3 bottle of Reagent C (changed every two months),1 bottle of our calibration seawater sample.
