Sold separately as individual one-time use tests.
Ammonia Nitrogen, Chlorine DPD, Iron, Phosphate, Zinc, Lead
Each kit includes self filling test ampoules with premixed reagent, a sample/snapping cup, color compare chart Ampoule Shelf Life: 4+ years.
How the tests work
Fill sample cup, place self filling ampoule in cup
Sample cup has slots at the bottom for snapping off the tip of the ampoule. Once tip is snapped, ampoule will automatically fill up. After ampoule fills, simply observe color change and compare to color chart.