Description
JBJ TrueTemp Titanium Heater TG2-100 — Professional-Grade Digital Heating for 20–30 Gallon Aquariums
The JBJ TrueTemp Titanium Heater TG2-100 is a professional-grade 100-watt digital aquarium heater engineered for precise, reliable temperature control in freshwater and saltwater aquariums from 20 to 30 gallons. At the heart of the JBJ TrueTemp Titanium Heater TG2-100 is a virtually indestructible titanium heating element — corrosion-resistant, fully submersible, and capable of superior heat transfer without the shattering risk of traditional glass heaters. The precision digital touch pad controller delivers ±0.5°F accuracy, displaying the current tank temperature on a large, easy-to-read LED display at all times. A remote temperature probe placed up to 5 feet from the heating element ensures accurate whole-tank temperature readings rather than the localized readings that integrated-probe heaters produce. The JBJ TrueTemp Titanium Heater TG2-100 is ETL approved, suitable for both freshwater and saltwater systems, and backed by JBJ Aquariums’ reputation for precision aquarium equipment.
Key Features of the JBJ TrueTemp Titanium Heater TG2-100
- Titanium heating element — virtually indestructible; corrosion-resistant; superior heat transfer; will not crack or shatter like glass heaters
- ±0.5°F accuracy — 100% digital precision touch pad controller for exact temperature setting and maintenance
- Large LED display — constantly shows current tank temperature at a glance without disturbing the aquarium
- Remote temperature probe — heavy-duty probe can be placed up to 5 feet from the heating element for accurate whole-tank temperature readings
- Smart memory chip — automatically restores your previous temperature settings after a power outage; no reprogramming required
- Auto power-off safety function — automatically shuts off if the heater is removed from water or reaches unsafe temperatures
- High-temperature LED alert — built-in LED indicator activates when tank temperature exceeds 94°F
- Safety guard included — protects fish, corals, and invertebrates from direct contact with the heating element
- Fully submersible — designed for complete submersion for even heat distribution
- ETL approved — certified for quality, safety, and performance
- Compatible with freshwater and saltwater aquariums
Why Titanium Beats Glass — The TG2 Advantage
Traditional glass aquarium heaters present two critical vulnerabilities — they can shatter on contact with cold water during water changes, and they corrode in saltwater environments. The JBJ TrueTemp Titanium Heater TG2-100 eliminates both risks entirely. Titanium is virtually indestructible, corrosion-resistant in both freshwater and marine environments, and provides faster, more efficient heat transfer than glass. For reef aquariums and saltwater systems in particular, titanium is the only responsible choice for a permanent heating solution.
Remote Probe — The Key to Accurate Temperature Control
Most aquarium heaters have an integrated temperature probe within the same heating element — this leads to false readings as the probe measures the temperature of water immediately adjacent to the heating core rather than the actual tank temperature. The JBJ TrueTemp Titanium Heater TG2-100 separates the probe from the heater entirely, placing it up to 5 feet away for a true, comprehensive reading of the full water volume. This prevents the premature on/off cycling that wastes energy and stresses livestock.
Choosing the Right TrueTemp Model
The JBJ TrueTemp Titanium Heater series covers aquariums from 20 to 260 gallons. Browse all models at Quinn’s Fins:
- JBJ TrueTemp TG2-200 — 200W — 30–50 gallons — $104.00
- JBJ TrueTemp TG2-300 — 300W — 50–90 gallons — $111.00
- JBJ TrueTemp TG2-400 — 400W — 60–100 gallons — $119.00
- JBJ TrueTemp TG2-500 — 500W — 90–150 gallons — $126.00
- JBJ TrueTemp TG2-800 — 800W — 160–260 gallons — $141.00
Technical Specifications
| Model | TG2-100 |
| Wattage | 100W |
| Recommended Tank Size | 20–30 gallons |
| Accuracy | ±0.5°F |
| Temperature Display Range | 0–99.9°F |
| Temperature Set Point Range | 32–99°F |
| Probe Distance | Up to 5 feet from heating element |
| High-Temp Alert | LED indicator activates above 94°F |
| Heating Element | Titanium — corrosion-resistant, virtually indestructible |
| Compatible With | Freshwater and Saltwater Aquariums |
| Safety Features | Auto power-off, high-temp alert, out-of-water shutoff, safety guard |
| Certification | ETL Approved |
| UPC | 810067702751 |
| SKU | TG2-100 |
| MAP Price | $96.00 |
For more information, visit the JBJ Aquariums temperature control page.






