Aquarium light
Hi there. I am new here. I have a 180 litre aquarium tank with few plants in it. they are not very healthy. all i have is 2 35 watts neon tubes. do you think they are enough for my aquarium?
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Neon tubes? Do you mean fluorescent? 75 watts in a 180 litre (~50 gallon) should be ok for some plants (right Liath?) but a third tube would probably be helpful... Specifically any kind of plant grow light with full spectrum coverage... I think you're supposed to have about 1 watt per gallon for an unplanted tank, and two or three times that for a planted one...
I am not a plant expert, and this fourm is really mainly for computer fish, but there are a couple people here that can probably help better than myself... |
I just recently read that it's 3 watts per gallon, not sure if it meant w/ or w/o plants, but I thought it meant w/ plants. If so then vendixa should have 150 watts per 50 gallon tank.
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3 watts per gallon is the recommendation for a heavily planted tank. I have about half that, and my plants seem to do ok. Some plants have much higher light requirements than others, so I try to use plants that only need low to medium lighting. I use two Hagen 15 watt Life-glo lights for my 20 gallon tank. These are full spectrum lights with internal reflectors. Kind of pricey though.
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A good forum for this topic is The All Wet Thumbs Community
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Hey thanks everyone for his help. Yes I read alot that 3watts per gallon should be the preferable light. That means that I have to have twice as much light as I have now. I think what I would do is try to put only another 35w flourescent tube and see if that would be ok. Thanks everyone for his help. thanks Liath for the suggested forum. :-)
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Doesn't the length of time the light is on also have a bearing on the wattage required? - Together with the amount of natural daylight, ..... and NO sunlight! :)
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I have heard that you should have a 10 to 12 hour photoperiod no matter what the wattage, but I don't know for sure if that's true. Leaving the lights on too long will definitely result in an algae bloom, and I do know that plants need a good nights rest just as much as I do. :)
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Yeah, something to do with some guy named Calvin...
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Probably missing the irony, but don't you mean Kelvin?
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Quote:
When I first got started with my fish tank, I always left the lights on so I could watch the fish. I started noticing algae growth all around then finally realized it was caused by so much light. Plus fish need to sleep too and some fish (like my pleco) eat at night. |
I leave the lights on for about 10 to 12 hrs a day as you said. Lately what I did was to cover each flourescent tube with a half pipe on the inside of which I put a silver contact paper so that the light reflects directly in the aquarium and I'm noticing good results. All my plants are growing again slowly. Now I think I will add another flourescent tube and hopefully I will have good results
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Ouch! Arrows of interest almost struck my eye out... :) I know, I asked about it (sort of).
/Tiny 5000K |
Quote:
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Ok I think I just confused myself.. when we say 10-12hrs of light, does this include sunlight or does it mean just bulb light?
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I think it is referring just to bulb light!
It is not wise to let ANY sunlight shine onto a fish tank. - Algae will grow rampant! Some ordinary daylight is OK! |
That's what I thought but wasn't sure.. makes sense though. :) My tanks aren't near my windows but I do get regular sunlight from the day in my apt.
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As long as the sun never shines directly on to the tank, things should be fine! :)
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