# What are some durable and long-lasting aquarium thermometers? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are some durable and long-lasting aquarium thermometers?

## Products

### Aqua Medic T-meter II (Item-No. 203.22)
```yaml
product: aqua-medic-t-meter-ii-item-no-203-22
brand: Aqua Medic
price_gbp: 9.08
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
display_type: LCD
waterproof_level: Only the sensor is waterproof
```

- **Price:** £9.08 [^1]
- **Summary:** The Aqua Medic T-meter II (203.22) is an external digital aquarium thermometer with a large LCD display. It uses an external, seawater-resistant plastic temperature sensor that can be placed inside the aquarium while the display remains outside the water. It installs with self-adhesive mounting on the aquarium glass.
- **Ideal For:** Its external, seawater-resistant sensor (with the display kept out of water) and large LCD display make it a durable, long-lasting option for steady aquarium temperature monitoring using a simple 1.5 V AG13/LR44 battery system.
- **Additional Sources:** [^2], [^3], [^1], [^2], [^3]

---
## References & Sources
[^1]: Ocean Store, accessed 2026-06-25. https://reef-aquarium-store.com/aqua-medic-t-meter-ii
[^2]: Mrutzek Meeres-Aquaristik GmbH, accessed 2026-06-25. https://www.shop-meeresaquaristik.de/Mess-und-Regeltechnik/Thermometer/Aqua-Medic-Externer-Thermometer-T-Meter-II-203-22::25770.html?language=en
[^3]: Sewatec A.E., accessed 2026-06-25. https://www.sewatec.com/aqua-medic-t-meter-ii-digital-thermometer-t-meter-ii/