Night light in tank

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SasaC

Aquarium Advice Apprentice
Joined
Apr 28, 2014
Messages
28
Hello
I hav a blue light that i open some times to times at the bottom of my aquarium.
Today when i turned it on one of my Rosselyn shark tried to jump out of the tank... Whats going on and why would he do that?


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I suspect water has got into the device or wiring and may have put a low level electrical current through the water. If you have an electrical background you could prove this. In any case the light would need replacing.


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What is that device to check the electricity?
Well that sucks i only used it very few times...:(


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As fresh water doesn't conduct very easily I would put the light in some salty water. Use a voltmeter on a low setting. Check with the power off, the voltage from the water to an earth (a water tap is usually good) and then do the same with the power on. Both readings should be zero. Even a small reading with the power on will indicate some form of water ingress to the electrics. ONLY DO THIS IF YOU ARE ELECTRICALLY COMPETENT.


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