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View Full Version : Ultraviolet light blocker.



Icedout20
09-21-2009, 03:42 PM
Have just stated in to the designe phase of a 30 gallon marine tank. am looking at build an algae scrubber for filtration. Was wondering what you guys thought about using this to cut down the UV light that t5 produce? http://www.1000bulbs.com/UV-Blocking-Tube-Guards/39400/