If you experience problems with the heater, please
read through the Troubleshooting section below before
contacting customer service.
Make sure the heater has been plugged in and operating
for at least 24 hours.
If the aquarium water temperature is lower than required
(make sure you are checking the water temperature with
an accurate thermometer), proceed as follows:
l
Make sure that the heater is plugged in and
is receiving power.
l
Make sure the temperature has been set to the
correct value.
l
Make sure the heater is being used in an aquarium
that is within the suggested range as shown in the
Aquarium Heater Guide for its wattage.
l
Make sure the water circulation around the heater
is adequate.
l
Make sure that the heater is properly submerged at
least to the minimum water line marked on the heater.
l
Make sure the heater is not covered with an excessive
amount of algae, calcium deposit, or lime scale.
Unplug the heater, allow it to cool for 30 minutes,
and clean it if necessary.
If the aquarium water temperature is higher than required
(make sure you are checking the water temperature with
an accurate thermometer), proceed as follows:
l
Make sure the temperature has been set to the
correct value.
l
Make sure the aquarium is filled to the proper level.
If the water volume in the aquarium is low so that it
no longer falls within the suggested range shown in
the Aquarium Heater Guide, add water immediately.
Troubleshooting
Caution: Make sure the heater is unplugged whenever
the aquarium is being serviced, including but not
limited to performing water changes.
Caution: Always unplug the heater and allow it to
cool for at least 30 minutes before repositioning it,
removing it from the aquarium, or exposing it to air.
Never expose the heater to air while it is plugged in.
Fish Temperature Guide
*
Cold Water Species
These are fish that prefer lower water temperatures
62-74
degrees F
75-84
degrees F
Tropical Species
These are warm water fresh and saltwater fish —
the majority of the fish sold/displayed in pet stores
* Research or consult a sales associate for species
specific temperature requirements.
Aquarium Heater Guide
Increase above room temperature*
Aquarium Size
5
o
F 10
o
F
5 gallon
50 watt
50 watt
10 gallon
50 watt
50 watt
20 gallon
50 watt
100 watt
30 gallon
100 watt
100 watt
55 gallon
150 watt
150 watt
75 gallon
200 watt
200 watt
90 gallon
200 watt
250 watt
* based on a room temperature of 68
o
-72
o
F
