Hoody Posted July 12, 2007 Report Share Posted July 12, 2007 Is there a maximum amount of time you should keep tank lights on for?? Quote Link to comment Share on other sites More sharing options...
Ira Posted July 12, 2007 Report Share Posted July 12, 2007 Probably 16 hours is a good absolute max. Quote Link to comment Share on other sites More sharing options...
Caryl Posted July 12, 2007 Report Share Posted July 12, 2007 Although 10 - 12 is standard. The maximum time will probably encourage extra algae growth. Quote Link to comment Share on other sites More sharing options...
michael.qian Posted July 12, 2007 Report Share Posted July 12, 2007 I do about 10-12 hours each day. As said above too long will promote algae rather than plant growth. Quote Link to comment Share on other sites More sharing options...
fishandchips Posted July 12, 2007 Report Share Posted July 12, 2007 I have two sets of light on two different timers. One set comes on at 7:30am and off at 7:30pm and another that coems on at 8:30am and off at 8:30pm. So i guess oyu could say i have two hours of half light and twelve of full light. Seems to work for me as i am trimming plant every other day now. Quote Link to comment Share on other sites More sharing options...
Hoody Posted July 14, 2007 Author Report Share Posted July 14, 2007 sweet, seem's i'm doing pretty much the same. What about the actual turning on and off of light's? Can it stun the fish in any way?? Quote Link to comment Share on other sites More sharing options...
Ianab Posted July 14, 2007 Report Share Posted July 14, 2007 sweet, seem's i'm doing pretty much the same. What about the actual turning on and off of light's? Can it stun the fish in any way?? Suddenly turning on bright tank lights when it's dark can give some fish a heck of a fright, they may panic and injure themselves. I usually turn on the lights after the room lights have been on for a few minutes, or it's daylight. Doesn't seem to give them such a fright. More of an issue if you have the lights on timers - set them to come on after sunrise or the room lights come on. Cheers Ian Quote Link to comment Share on other sites More sharing options...
Caryl Posted July 15, 2007 Report Share Posted July 15, 2007 Depends on the fish too. Mine never seem to notice the lights turning on or off. Quote Link to comment Share on other sites More sharing options...
Hoody Posted July 15, 2007 Author Report Share Posted July 15, 2007 yeah i've been letting the room/sun light in for a bit before i switch the tank light's on. Dont wanna spook them to much! Quote Link to comment Share on other sites More sharing options...
alanmin4304 Posted July 15, 2007 Report Share Posted July 15, 2007 One of my tanks (1200 x 500 x 500) is in a cabinet and has two 3ft flouros going 17 hours/day on a timer but it also has 2 15 watt incandescants going continuously to provide a bit of light all night so the fish don't get a fright when the flouros come on. Quote Link to comment Share on other sites More sharing options...
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