Know your tank temperature at a glance — without sticking your hand in or squinting at a glass tube.

Water temperature is one of the most critical variables in a healthy aquarium. Fish, plants, and invertebrates all have specific temperature ranges — going outside that range stresses and eventually kills them. A digital thermometer removes the guesswork: large LED display, accurate to within 0.1°C, instant reading without waiting.

Features

• Large LED display — readable from across the room; no need to crouch next to the tank or remove the lid to check the temperature
• High accuracy (±0.1°C) — precise enough to catch the gradual temperature drift that happens between heater calibration check-ins
• External sensor with in-tank probe — the display unit stays outside the tank; a slim probe is submerged to take the reading, keeping electronics dry
• Temperature alert function — set high and low temperature alerts; the display flashes or signals when the tank goes outside your safe range
• Battery powered — no wiring to the tank; runs on standard batteries for months between changes
• Suction cup mount — attaches to the outside of the glass; repositionable without adhesive

Good For

• Tropical freshwater tanks that require specific temperature ranges
• Reef and marine aquariums where temperature stability is critical
• Planted tanks and shrimp tanks with sensitive temperature requirements

Specifications

• Display: LED digital
• Accuracy: ±0.1°C
• Probe: Waterproof submersible
• Alert: High/low temperature alarm
• Power: Battery (not solar dependent)