Tests nitrate levels from 0 to 160 ppm in fresh or saltwater. Effective for both fresh & saltwater aquariums. High levels of non-toxic nitrates are a food source for unwanted algae & indicate poor water quality & health problems for fish. Tests nitrate levels from 0 to 160 ppm. Makes 130 tests.
Discover the Top Fish and Their Care View FREE eBooks on America's top fish species. Learn which fish may be best for you, where to get your fish, and much more!
Angelfish - lively and pretty fish that can be aggressive to smaller fish
Goldfish - arguably the most recognizable aquarium fish in the world
Bettas - also known as “Siamese Fighting Fish” the males are very aggressive
Aquarium Care - how to set up and care for your aquarium
Fish Feeding - keeping your fish fed and well cared for
Oscars - large, strong, and curious fish often called “Velvet Cichlids”