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But as you said yourself, UV transfer is reduced through glass so anyone who keeps reptiles inside have animals that are having the access to UV limited.
So the question remains is UV beneficial? It is suggested that it is beneficial in humans so why would it not be beneficial in reptiles??
There are a number of sites with lighting research but the best I have come across is UV Guide UK - Ultraviolet Light for Reptiles - UVB reptile lighting on test.
The NEC T10 Blacklight is definitely excellent value for money.
Ian, nice post on UVB... just a couple of additions if I may
Monitors do not need exposure to UVB and Turtles do. CORRECTION - see post 39.
Reptiles requiring UVB exposure need heat at the same time. This is because the rate of the chemical reaction that produces pre-vitamin D in the skin, is temperature dependent. It occurs most readily at the reptile preferred body temperature.
The intensity of UVB emitted from a light source drops off dramatically with distance from the bulb. Fluorescent bulbs vary but usually somewhere between 10 cm and 30 cm, depending on the strength of the globe, whether a reflector is used and the requirements of the reptile. Mercury Vapour Lamps give out a significantly greater amount of UVB and normally used at distances of 30 cm to 50 cm, depending. They have the advantage of also giving out significant heat but are thereby unsuitable for small or poorly ventilated enclosures.
The best way to ensure your reptiles are getting their quota of UVB is spend around $250 on a reliable UVB meter.
EDIT: The powder coating on the inside of the globes is called a phosphor and its chemical composition determines the wave lengths of the light emitted.
Last edited by Bluetongue1; 11-May-12 at 02:21 PM.Everything has its beauty, but not everyone sees it. [Confucius]
I will admit i am no expert, not even the spert part.
But hey it is good to get some good info on this as there is a lot of what you might call differing variations, reports or stories on the subject. If you are right & not sure that you are, but thats another day or a PM, i would have thought that monitors do need uv depending on thier diet & especially small monitors as they mostly eat insects.
It is good to get some real info out there.
IanDon't believe everthing you hear & read.
Sometimes experience & wisdom are better options.
- 10-May-12, 07:35 PM #34
- 11:55 PM [Tuatara] Grizz.. is a bear, isnt that a gay term?? I thought he might be with jay or something
- 10-May-12, 08:47 PM #38
- Join Date
- North east suburbs, Melbourne.
Google reptile uv and Megaray. These IMHO r the best in MVB's.
Their tests and subsequent results r good enough for me.
- 11-May-12, 08:49 AM #39
- Join Date
- Adelaide, South Australia, Australia
Thanks to all who replied and added there knowledge about the subject, there were some very good links put up to look at and good points discussed from one opinion to the other.
CORRECTION (to post No. 32): Monitors that eat whole vertebrates do not need UVB exposure - as they obtain sufficient vitamin D stored in the livers of their prey items. Those small monitor species which are more insectivorous may well need UVB or vitamin D supplementation in their diet, depending upon what they are given to eat. This also explains why a diet of minced meat alone is not adequate.
Ian, thanks for bringing that shortfall to my notice.
Everything has its beauty, but not everyone sees it. [Confucius]
- 11-May-12, 02:24 PM #41Regular Member
- Join Date
- mornington peninsula,vic
no offence,but lighting companys arent going to say folk have kept dirunal reptiles for years with out exposure to uv lighting and had zero issues,they only tell you what you want to hear as they want you to buy there crap
uv lighting isnt a miracle light,they dont get calcium from it at all,all its claimed they do is aid in the apsorbtion of calcium
use uv lighting and feed a poor diet and u get the exact same results,dietry supplementation is of way more importance,even the sun cant prevent the results of poor diet
what about nocturnal lizards,noy exposed to the sun,how the heck do they survive,cant see ***** lil gex munchin down rodents,yet they do fine in the wild
uv lighting isnt a miracle light,and its all to easy to blame the lack of its use as the cause of reptiles suffering mbd ect
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