JBL ProTemp S - 300W
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Product Information
Full details
The JBL ProTemp S 300W is an ideal choice for aquarium hobbyists maintaining tanks between 160 and 400 liters who require precise, reliable thermal regulation. It offers professional-grade heating accuracy and built-in safety features, though users should ensure their aquarium glass thickness is compatible with the provided mounting hardware to ensure long-term stability.
All features
| Brand | JBL |
|---|
Extended Product Information
FAQs
Can I use the JBL ProTemp S 300W in a marine aquarium?
Yes, this heater is suitable for both freshwater and saltwater aquariums.
What is the minimum water depth for this heater?
The heater must be submerged up to the minimum water level mark indicated on the glass tube.
Does the heater come with a warranty?
JBL offers a standard manufacturer warranty; please check the included documentation for your region-specific terms.
Can the heater be positioned horizontally?
While it is designed for vertical mounting, it can be mounted horizontally if necessary, provided it is fully submerged and the water flow is sufficient.
How often should I clean the heater?
Clean it whenever you notice a buildup of algae or mineral deposits, typically once a month during routine filter maintenance.
Why does the heater turn off automatically?
It features an internal safety switch that activates if the heater is no longer fully submerged in water to prevent overheating.
Troubleshooting
Heater is not warming the water
Check the power connection and verify the temperature dial is set to a value higher than the current water temperature.
Control lamp does not turn on
Ensure the heater is fully submerged; the auto-shutoff mechanism may have been triggered by a low water level.
Fluctuating water temperatures
Relocate the heater to a position with better water flow to ensure the thermostat reads the tank average rather than localized heat.
Pros and Cons
Pros
- High accuracy of +/- 0.5°C
- Protective guard for fish safety
- Automatic safety shut-off mechanism
- Durable quartz glass construction
Cons
- Requires careful placement to ensure optimal water flow
- Standard suction cups may lose grip over long periods
- Not suitable for tanks smaller than 160 liters due to power output
Setup, Compatibility & Care
To install, attach the suction cups to the heater housing and press firmly against the inside glass of your aquarium. Ensure the heater is fully submerged to the minimum water level line before plugging it into a power source. Allow the device to sit in the tank water for at least 15 minutes before turning it on to let the thermostat adjust to the current water temperature. For maintenance, periodically wipe the glass tube with a soft, damp cloth to remove algae or lime deposits, which can impede heat transfer. Always unplug the device during water changes to prevent the auto-shutoff from triggering or accidental damage.