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Tank light colours

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Wondering what spectrum caolours people use when replacing tank lights. I've got some turq discus, a orange one and a white one. Really want to enhance the colours but wondering if say you want to enhance the blue/green, do you use blue/green light etc or does that make it worst cos all the other items in teh tank become that colour and thefore the colour on the fish doesnt stand out...

I would recommend getting a tube as close as possible to "daylight" i.e. a white light. White light contains all the colours of the spectrum, so each plant & fish in your tank will be able to reflect back the colours it contains.

I recently replaced one of my older plant-growing tubes with a standard "daylight" tube from an electrical supply shop. Several people have commented since then how bright the cardinal tetras look - like little blue sparks swimming around the tank.

The tube cost all of $10.50. :wink:

i found a biolux tube to really bring out the blues and reds that in use with a marine white really does the trick

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whetu, $10.50? where do you pick up ur tubes from?

Sounds like the all natural approach is best, biolux / "daylight" being a full spectrum etc.... Will hunt afew down (wink wink whetu) ;-)

LOL Matthew it's not really a big secret - just buy it from a hardware shop or electrical supply shop rather than a pet shop!

Yep, $10.50 for a 4-foot daylight tube. The guy did give me a "trade" discount so you might have to be prepared to spend up to $12 if paying full retail! :o

I use daylight and bright white (depending on brand) tubes and get them from electrical wholesaler. About $5 - $7 from memory

what kelvin are they? i can only get 3700K it seems... darn pl tubes

6500k. Make sure the bulbs have X65 or X67 on them. The Osram bulbs use the number 865. W is the version of the bulb, 65 is 6500k rating.

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