jansamn brewing thermometer strip adhesive strip thermometer aquarium thermometer sticker thermometer sticker for fish tank/kombucha 39°f to 97°f & 4°c to 36°c jansamn why need to monitor aquarium temperature ? ★ most aquatic don't regulate internal body temperature but rather they rely on their environment ★ improper temperature can lead to inadequate growth, respiratory or cardiac paralysis, and possibly death of aquatic ★ a sudden decrease in temperature can hurt a pet's immune system and raise the risk of it getting sick ★ sudden increases in temperature can lead to a spike in metabolic activity,a shock to respiratory system, and coral bleaching how to install this adhesive thermometer strip? step 1 clean dry the outside glass of the aquarium step 2 peel off the plastic backing from the thermometer strip step 3 stick-on the strip against the outer wall of aquarium.be sure to stick below the water level,the lower the better step 4 look for the strip after 2 to 5 minutes. the colored indicates the exact temperature package: 4*aquarium thermometer strip