Ira Posted October 19, 2006 Report Share Posted October 19, 2006 Black light and UV light are not two different things, Both are UV, just black lights or UV torches(I have one, it's cool) put out UV-A which is harmless. UV-B is higher frequency and is most of what gives tans and UV-C is really nasty. Used in UV sterilizers, Flouro lights and MHs produce UV-C. But in fluoros it's blocked by the coating of the tube which then fluoresces and gives off the light you want and in MHs by the cover glass. Of course, it's not a sharp cutoff between the 3 types, so high end UV-A would be similar to low end UV-B... Either way, a blacklight isn't going to do any damage to your fish. Quote Link to comment Share on other sites More sharing options...
fishboi Posted October 19, 2006 Author Report Share Posted October 19, 2006 thanks for the correction there Ira, it makes a lot more sense Quote Link to comment Share on other sites More sharing options...
k0mit3t Posted October 19, 2006 Report Share Posted October 19, 2006 I remember reading about glow in the dark fish a year or so ago in an FHM magazine - just a short snippet titled something along the lines of 'Glow in the dark fish - the perfect gift for Chenobyl children' Quote Link to comment Share on other sites More sharing options...
pixiejanet Posted October 19, 2006 Report Share Posted October 19, 2006 Right!! Tested out my blacklight in my tank..... All you can actually see is the bacterial bloom...invisible in normal light..so although the fish dont glow, i can see how healthy my tanks are!!! Cool!! ONE point.....NEVER TAKE BLACKLIGHT INTO THE KITCHEN UNLESS YOU`RE PREPARED TO GET THE BLEACH OUT AND SCRUB THE WHOLE DARN THING!!! EEEeeeeK..... bacteria does really glow in the dark...and i thought my kitchen was soooo clean!!! :oops: :oops: :oops: Quote Link to comment Share on other sites More sharing options...
Caryl Posted October 19, 2006 Report Share Posted October 19, 2006 I'm sure it was GOOD bacteria Janet!! :lol: Quote Link to comment Share on other sites More sharing options...
Ira Posted October 20, 2006 Report Share Posted October 20, 2006 I haven't noticed much glowing in the kitchen with my blacklight torch. I have noticed Bridget's aromatherapy oils glow, and so does the stain used on my doors. Quote Link to comment Share on other sites More sharing options...
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