Easily monitor the ammonia levels in your water garden or aquarium with the Cal Pump Ammonia Test Monitor. This handy gauge indicates the level of active ammonia in your water, and if it is a safe environment for your fish. The center strip will alter in color from yellow to teal. Simply match the color of the strip to the colored block to ascertain if your ammonia levels are safe, stressful, or toxic. The active center strip is effective for four to six weeks, and two replacement monitors are included, creating a three month supply. Affix this meter to your aquarium glass with the included suction cup, or place the unit in your water garden using the included lanyard. Keep an eye on the ammonia levels in your water feature with this Ammonia Test Monitor.

Package Contents: one ammonia indicator gauge, three active ammonia monitors
Dimensions: 4.25"L x 1.875"W x 0.75"D
Mounting: affix to aquarium glass or place in pond
Construction: plastic