Test for nitrogen, potassium, and phosphorus with one kit; the special TesTabs, nonhazardous reagents in tablet form, make it simple. The kit comes with testing apparatus, illustrated instructions, and a laminated color chart for comparison all packaged in a light carrying case for transportation to the field. You get enough materials for 50 tests each.
How is savings calculated? We
multiply the savings per unit (in parenthesis) times the
total units of the original product.