Ideal water temperature for goldfish.
Tetra ht submersible aquarium heater instructions.
An electronic thermostat automatically adjusts the heat output to keep the water at a constant 78 degrees f so all you have to do is plug it in.
A heater is an essential piece of equipment because fish rely on the temperature of the water for their body heat.
Heaters fish can t produce their own body heat.
Adjust your thermostat up or down accordingly and recheck your temperature every four to six hours until your desired temperature is reached.
Easy to control with no adjustment required.
150 225 l.
100 150 l.
All ht heaters have indicator lights to let you know when the heater is on heating the aquarium.
25 60 l.
Allow your submersible heater to operate for 24 hours then check your aquarium temperature.
60 100 l.
10 25 l.
225 300 l.
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68 72 f ideal water temperature for tropical fish.
The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees f.
Product size of aquarium.
Fully submersible and shock resistant.
Tetra ht series submersible heaters are created especially for ease of use in your aquarium.