Why Need To Monitor Aquarium Temperature ?\r\n ★ Most aquatic don\'t regulate internal body temperature but rather they rely on their environment\r\n ★ Improper temperature can lead to inadequate growth, respiratory or cardiac paralysis, and possibly death of aquatic\r\n ★ A sudden decrease in temperature can hurt a pet\'s immune system and raise the risk of it getting sick\r\n ★ Sudden increases in temperature can lead to a spike in metabolic activity,a shock to respiratory system, and coral bleaching\r\n\r\n\r\nHow To Install This Adhesive Thermometer Strip?\r\n Step 1 Clean dry the outside glass of the aquarium\r\n Step 2 Peel off the plastic backing from the thermometer strip\r\n Step 3 Stick-on the strip against the outer wall of aquarium.Be sure to stick below the water level,the lower the better\r\n Step 4 Look for the strip after 2 to 5 minutes. The colored indicates the exact temperature\r\n\r\n\r\nPackage：\r\n 4*Aquarium Thermometer Strip