Aquarium Algae Scraper with Digital Thermometer for Glass Tanks

<p>This magnetic aquarium cleaner scrubs algae off the glass walls of a fish tank and shows the water temperature on a digital display. It is made for glass tanks up to 30 gallons with glass under 1/2 inch thick. The set has two magnetic pieces: place the scrubbing unit inside the tank and the display unit outside, then slide to clean. It floats on the water surface.</p><ul><li>Abrasive velcro pad for tough stains and grime on the inside of the glass</li><li>Soft fluff pad for dust and light marks on the outside of the glass</li><li>Temperature sensor on the back of the display unit, range 0°F to 99°F (18°C to 37°C), accuracy ±0.9°F</li><li>Press and hold for 3 seconds to switch units</li><li>Display unit: 40 x 50 x 20 mm (1.57 x 1.97 x 0.79 in)</li><li>Scrubbing unit: 40 x 40 x 32 mm (1.57 x 1.57 x 1.26 in)</li><li>Colors: black, white, dark blue</li></ul><p>Each unit is one magnetic aquarium cleaner with digital thermometer.</p>

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