1
Q
why is heating important
A
- fish are ectotherms
- sudden temperature changes can lead to stress + disease
2
Q
how is aquarium temperature controlled
A
- water heater
- a wire element encased in a glass tube
- thermostatically controlled
3
Q
how to use aquarium heater
A
- placed where there is good water flow to heat the whole tank
- don’t switch on outside of water → glass of heater will shatter
4
Q
how often should temperature be checked
A
several times a day
5
Q
coldwater fish tank temperature
A
below 20°C
6
Q
tropical fish tank temperature
A
24-27°C
7
Q
temperature fish tank temperature
A
18-22°C
8
Q
two types of heaters
A
submersible + electronic
