Best UV Sterilizer For Aquariums: Top 7 Reviews | Aquascape Addiction

For a  up to date article about aquarium and pond uv sterilization, please visit this site:
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The second picture demonstrates clarification with a before and after picture of an aquarium with green water; As well as a comparison between a green pond without UV Sterilization and one of our client's ponds with a UV Sterilizer/Clarifier
I continue to follow the threads on forums, aquarium articles, and blogs about UV Sterilization.
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UV Sterilizer, FW use 4/29/12
Hi Crew,
I'm looking for your opinion regarding the usefulness of a UV Sterilizer on a 240 gallon freshwater Discus aquarium for the purpose of parasite, algae and disease control. And if you support the use of one, what size (watt) and gph would be required?
Thank you,

about the running costs (regular cleaning, new UV tube each year) then by all means add a UV steriliser, and some problems, like diatom blooms in the water column, should reduce or vanish. But as a general addition to a freshwater aquarium, you'd be better spending the money in other ways.
Cheers, Neale.> • UV Sterilizers and bulbs are safe for freshwater, ponds, and saltwater aquariums;
Photo provided by FlickrTropic Marine Center Pond Advantage Professional UV Sterilizers for Ponds or aquariums
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.UV (ultraviolet) Sterilizers are great supplementary devices for both freshwater and saltwater aquariums. Used in conjunction with your primary filtration system, UV sterilizers offer unique benefits from water clarification to effective management of various waterborne microorganisms including free-floating algae. Algae, parasites, and bacterial diseases are a nuisance in any aquarium. There is nothing more disheartening than watching hours of constant aquarium maintenance come undone. If green water, algae blooms or persistent diseases plague your aquarium, consider combating the problem with a UV sterilizer.This page contains important information about how uv sterilizers should be designed and used for efficient, safe and proper use to reduce algae and pathogens in the water of aquariums and ponds.In-line models are plumbed directly into the main aquarium filtration system. The UV is placed after the mechanical filtration unit and should be the last in-line device before water returns to the aquarium. Generally a ball valve and bypass are used to adjust the flow rate through the UV sterilizer. Most in-line UV sterilizers are designed for larger aquariums and incorporate higher wattage bulbs encased in a long, cylindrical housing.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.The Best UV Sterilizer for Aquariums is one that can kill as many bacteria and microorganisms as possible, and that is exactly what we are going to help you find.