LIFEGARD® AQUATICS offers a complete line of custom designed test strips for all important testing of Fresh or Saltwater Aquariums or Garden Pond water. These state of the art strips help ensure proper water environment for your indoor or outdoor fish and plants. Each vial features a leak proof, hinged pop-top lid and a wrap around desiccant liner to protect strips from moisture intrusion. 5 Way Test Strip Contains 25 tests each of ALKALINITY, pH, NITRITE, NITRATE, and HARDNESS. R440002