Water temperature is an important factor in keeping tank inhabitants healthy. JBJ floating glass thermometer sticks on the inside of an aquarium via suction cup. Accurate idicator of tank temperature and easy to read.
Features: -Floating thermometer -Suction cup -Temp range 30-110F -Safety zone indicator -Celcius/Fahrenheit -For fresh or saltwater
Nitrate testing When an aquarium has insufficient regions deprived of oxygen (= anaerobic zones) or denitrification proceeds incompletely then nitrate...