UV Sterilizers for Aquariums - Marine Depot

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Another one of the primary uses for UV sterilization in an aquarium —freshwater or saltwater — is to keep the ich protozoan in check. Ichthyophthirius multifiliis (Cryptocaryon irritans in marine fish) shows up as little white spots on the fish. These protozoans have other stages where they swim freely in the water, and then encyst in the substrate and swim around until they infest a host fish. Ultraviolet sterilization is only effective on these protozoans when they are in the free-swimming stage. If the UV sterilizer is sized properly, it should kill all of the free-swimming stages and thus eventually completely wipe out the ich.
I continue to follow the threads on forums, aquarium articles, and blogs about UV Sterilization.
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Our best UV sterilizer for larger aquariums. A proper heavyweight, the Turbo-Twist UV Sterilizer has a 36W lamp and can handle freshwater and marine aquariums up to 500 gallons. As the name implies, this sterilizer “twists” the flow around the UV lamp, increasing the exposure of algae, parasites, and other microorganisms. • UV Sterilizers and bulbs are safe for freshwater, ponds, and saltwater aquariums;
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Photo provided by FlickrA MUST READ article for anyone looking to get the most out of their Aquarium or Pond UV Sterilizer!
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When using a UV Sterilizer in a home aquarium, the UV unit should be placed last in the filtration line. You want to first filter the aquarium water through your and then run the water through the UV device before returning the water to your fish tank. By first removing the solids in the aquarium water with your mechanical filter (canister filter, etc), you are helping your UV unit to attain maximum operational efficiency.Adding an aquarium UV sterilizer to your tank is like insurance for your home or apartment. Proper use is reliant upon proper aquarium care, such as regular water changes and filter maintenance. UV only targets free-floating microorganisms, not nuisances attached to your fish, substrate, plants, decorations, or corals. For optimum performance, UV sterilizers should be placed after your biological or mechanical filtration. Also, the flow rate through the sterilizer should be controlled, based on the manufacturer’s recommendations. This ensures the UV sterilizer is targeting microorganisms – not debris – and has the correct amount of exposure time to eradicate (kill) the nuisance. Your chosen UV sterilizer will have easy-to-follow guidelines for both setup and use. UV sterilizers can be set up in a variety of configurations, be it stand-alone or housed inside a canister filter, hung on your aquarium walls or tucked inside your aquarium stand. They are available in a variety of models, each designed to target aquatic nuisances, not your budget.