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Aquarium UV Sterilizer/Filter in Action!

My tank is holds approximately 1ton(1,000ltrs) or about 440 gallons of water. It's Big. I have 2 Eheim Canister Filters, 1) a Professional III and 2) a Professional II. After a month, the water became cloudy white and soon after, it turned murky green! Panic stricken, i first installed a 9W submersible UV Filter but perhaps wasn't patient enough and after 3 days, got a 36W Coraline UV Filter(Japanese Product). I hooked it up to the outlet of the Eheim and Presto! Here are the time lapse results! Hope it helps some of you...