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Thermometers & Hydrometers

  • External Stick on Thermometer Suitable For Freshwater & Saltwater Aquariums.
    $2.20 Aqua One External Thermometer
    External Stick on Thermometer Suitable For Freshwater & Saltwater Aquariums.
  • Temperature reading range:-50C to 70C. 
Operating temperature:-10C to 50C. 
Battery (DC 1.5V) LR44 included. 
Temperature readings to within 0.1C Accuracy 1C.
    $9.90 Aqua One ST-3 Electronic Thermometer
    Temperature reading range:-50C to 70C. Operating temperature:-10C to 50C. Battery (DC 1.5V) LR44 included. Temperature readings to within 0.1C Accuracy 1C.