Boyu · Glass
DR Digital Heater
- Heater
- 50–300 W
Everyday tropical tanks where you want to see the temperature without a separate thermometer.
6 models
SunSun · Glass
SunSun ZTB Aquarium Heater
An adjustable heater from SunSun's Zhizhen line, from 50 to 1,000 W, with a 20 to 35 °C range. SunSun rates each size by tank volume.
Updated
50–1,000 W6 models
Will it suit my tank?
litres
Best for
Any freshwater tank, sized to its volume.
What stands out
- 50 to 1,000 W
- 20 to 35 °C adjustable
- Rated for 20 to 850 litres
- 20 to 27 cm long
Models and specs
| Model | Heater | Tank size | Length | Temperature range |
|---|---|---|---|---|
| ZTB-50 | 50 W | 20–40 L | 20.3 cm | 20 to 35 °C |
| ZTB-100 | 100 W | 40–100 L | 20.3 cm | 20 to 35 °C |
| ZTB-300 | 300 W | 100–250 L | 23.1 cm | 20 to 35 °C |
| ZTB-500 | 500 W | 250–400 L | 23.1 cm | 20 to 35 °C |
| ZTB-800 | 800 W | 400–600 L | 27.3 cm | 20 to 35 °C |
| ZTB-1000 | 1,000 W | 600–850 L | 27.3 cm | 20 to 35 °C |
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
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Frequently asked questions
Quick answers about the SunSun ZTB Aquarium Heater, drawn from its specs.
What size tank is the SunSun ZTB Aquarium Heater for?
The maker rates it by model: ZTB-50 up to 40 L, ZTB-100 up to 100 L, ZTB-300 up to 250 L, ZTB-500 up to 400 L, ZTB-800 up to 600 L, ZTB-1000 up to 850 L.
What wattage is the SunSun ZTB Aquarium Heater?
50 to 1,000 W across the range. As a rule of thumb that covers roughly 33–1,000 L in a normally heated room, at about 1 W per litre.
Who is the SunSun ZTB Aquarium Heater best for?
Any freshwater tank, sized to its volume.
What are the alternatives to the SunSun ZTB Aquarium Heater?
Other heaters worth comparing: Boyu DR Digital Heater, Boyu DR-9 Series Heater, Boyu GR Glass Heater. Add any of them to the compare table to see the specs side by side.