Allow your submersible heater to operate for 24 hours then check your aquarium temperature.
Tetra ht submersible aquarium heater instructions.
A heater is an essential piece of equipment because fish rely on the temperature of the water for their body heat.
60 100 l.
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68 72 f ideal water temperature for tropical fish.
150 225 l.
100 150 l.
Tetra ht series submersible heaters are created especially for ease of use in your aquarium.
25 60 l.
All ht heaters have indicator lights to let you know when the heater is on heating the aquarium.
Adjust your thermostat up or down accordingly and recheck your temperature every four to six hours until your desired temperature is reached.
Heaters fish can t produce their own body heat.
The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees f.
10 25 l.
300 450 l.
Product size of aquarium.
Fully submersible and shock resistant.
225 300 l.
All tetra ht heaters have red green indicator lights to let you know when the heater is heating red or on standby green.
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