JBL Aquarium Thermometer Slim
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The beads are made of iron. The liquid is coloured alcohol. It does not contain mercury.
Please clean the pane thoroughly before you install the thermometer. Algae, biofilms and lime can prevent it from sticking. If the thermometer still doesn’t hold, there may be a problem with the suction cup. Due to a material defect some suction cups have bubble-like excrescences which prevent a correct hold. If you own such a suction cup, please contact our customer service, and provide a photo.
Stelle deine Frage an das JBL Service Team.