Marina 11203A1 First Impressions

6 tenths of a degree.

82 PER THERMOMETER with battery included. I have kept aquariums for about 45 years. And for the price you cant beat it. You can not swivle the thermometer to face a certain way. Have checked them against the glass thermometers and the accuracy is right on. I needed a solution that was not breakable and these do the trick! Was going to get a floater until I saw this magnetic one!

  • Editor's Impressions Of The Marina 11203A1
  • Thermometer Accuracy
  • Build Quality
  • Value For Money
  • Feature Set

Marina 11203A1 Final Thoughts

Currently maintains a 76.

All were Close enough for a fish tank and other uses. The lid is textured aluminum, and the suction cups don't stick to that. The suction cups work well anywhere I have placed it it has not Fallen. It works equally well on all of them. Still a recommendation for me due to price and accuracy. So the extra units will always come in handy. My only complaint is that they tend to be a one time use.

Overall Score

(251 Points)
  • Marina 11203A1 Features & Specs
  • Easy-to-read stainless steel thermometer
  • Includes a safety zone indicator. Safety zone Indicator for Most Tropical fish
  • Ensures your aquarium is at a proper temperature. Protects your Fish from Unsafe Temperature
  • Hooks onto the side of your aquarium
  • 4.5 inches tall
  • Manufacture: Marina
  • Product Dimensions: 0.9 x 3.9 x 7 inches; 0.64 Ounces

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