We are looking for aquarium thermometer

Nowadays more and more people like to fish, fish farming is not only can decorate his own room, but also very entertaining, the fish in the home as a life interest, looked at the vibrant goldfish in the water to swim, also can let a person feel exuberant. The purchase of a goldfish thermometer is a must. The goldfish is the most suitable temperature from 20 to 28 ℃. Goldfish goldfish is pay attention to the water temperature, no body temperature adjustment function, its body temperature varies with high and low water temperature changes. Goldfish, therefore, must pay attention to the water temperature. Goldfish in the optimum temperature range is larger, can be between 0 to 30 ℃, the highest limit water temperature is 34 ℃, the optimal temperature is 20 to 24 ℃, the optimal temperature is 4 - hibernation 6℃. But the basin in the pool water temperature changes, should be a long-term slow rise to adapt the goldfish, once lift more than 5 ℃ temperature difference, goldfish can't adapt to, light, illness, or death. So, in the water, the water of water temperature difference is larger than 2 ℃, new water than old 1 - low in summer 2 ℃, new water should be higher than the old one - in the winter 2℃。 Goldfish is dependent on the aquarium thermometer, below small make up to introduce an aquarium thermometer: