Available on Request Johnson Johnson Nitrate Test Strip, 176.5C, J-Quant, 0 to 500 mg/L, 100 Strips/Pack The J-Quant Nitrate 500 tests are used for determining the amount of nitrate in drinking water, process water and wastewater, as well as aquarium water. This test is suitable for the dairy industry... Available on Request Quick view Qty in Cart: 0 Price: Out of Stock Subtotal: Available on Request