UV is need to be on ,,all the time?

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aquariumdebacle

electrolyte addict
Joined
Jul 4, 2003
Messages
613
Location
Seattle
uv lights

no, the whole point of uv is to buy a little time for outbreaks. it must be 24 hr to be an effective prophylactic. To put it another way, when it is off it is useless.
 
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