60 100 l.
Tetra ht submersible aquarium heater instructions.
68 72 f ideal water temperature for tropical fish.
Fully submersible and shock resistant.
100 150 l.
All ht heaters have indicator lights to let you know when the heater is on heating the aquarium.
Easy to control with no adjustment required.
150 225 l.
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.
225 300 l.
The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees f.
Product size of aquarium.
25 60 l.
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10 25 l.
All tetra ht heaters have red green indicator lights to let you know when the heater is heating red or on standby green.
300 450 l.
Ideal water temperature for goldfish.
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.
Allow your submersible heater to operate for 24 hours then check your aquarium temperature.