Tropical Fish Word of the Day: UV sterilizer

Expand your tropical fish vocabulary with the FishChannel.com Tropical Fish Word of the Day.

UV sterilizer: (n.) UV sterilizers use ultraviolet light to purify water for use in ponds and aquariums. It kills microorganisms and bacteria that may cause disease. Some hobbyists believe UV treatment of water can cause a sterile environment by killing colonies beneficial bacteria, but that is usually not the case if UV sterilizers are used correctly.

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