Nature Aquatica 7 in 1 Aquarium Test Strips

Nature Aquatica's 7-in-1 aquarium test strips provide quick, accurate checks for nitrate, nitrite, chlorine, general hardness, carbonate hardness, total alkalinity, and pH in freshwater tanks.

• The description claims that the test strips help prevent harmful spikes that can stress or harm fish and aquatic plants.
• The description claims that poor water quality is the #1 cause of fish stress and illness.