LABORETTE KIT LABORETTE KIT $11.25 SKU: TET16628 QTY: Click here to save 5% off of your order! TEST LABORET Reliable and accurate, the Laborett Testing Kit for freshwater and marine aquariums provides professional measurement of the most important aquarium water parameters: pH freshwater and pH saltwater, carbonate and general hardness, nitrite, ammonia and carbon dioxide. The Tetra Laborett Kit includes reagents, two test vials, a water withdrawal syringe, color scales and instruction booklets with recommendations and helpful hints. Test the water in your aquarium weekly to ensure optimum water quality