Nitrate test kit (75 tests)The sera nitrite-Test makes it easy to determine the level of toxic nitrite. For approx. 75 measurements in fresh and salt water.
Sera was founded in 1970 by Josef Ravnak. With more than 200 products in the assortment, a team of scientists at its Heinsburg, Germany headquarters, international product distribution, and subsidiaries in North America, France, Italy, Chile and Japan, sera has gained a reputation as one of the leading forces in aquaculture today.