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ELF EMF/EMR from fish tank's water filter

In most fish tanks you need to filter the water. Water filter is actually a pump that pumps and filters the water in the fish tank. Inside the pump there is an electric motor that emits high levels of Electromagnetic Radiation (EMF/EMR). Fish tanks' external filter is one of many unnoticed EMF/EMR sources in our house. In this video presentation we will measure low frequency EMF/EMR from the filter while it works.

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