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27-01-2014, 06:42 PM | #11 | |
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First below is the Arowana web page and I've had pictures of the lamps added so you see the colours. It is very difficult to say how long the plastic sleeve will last before it becomes weaker but based on the fact there is no UV-C, which is the radiation that causes most trouble, I am only guessing that changing the sleeve every second time you replace the lamp would be ok and in any case it will probably not leak if it is not moved. The lamp needs to be in the aquarium as the distance UV can travel in water is not high, but through glass, even low iron glass, is negligible. There is little risk of harm to the fish if the sleeve does leak as the voltage on the lamp is quite low as is the current and in any case, provided the aquarium water is not earthed there will be no path for the current. Obviously you should turn off the lamp before attempting to move, reposition or remove it. Hope this helps Paul http://www.arcadia-aquatic.com/arowana-t8-lamp/ |
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27-01-2014, 06:56 PM | #12 | |
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Hopefully you will be installing the lamps inside the aquarium, in which case the UV-A and UV-B will not penetrate the glass of the aquariums and will dissipate rapidly in the water. I wouldn't think that direct viewing of the lamp would be a good idea, but I don't think it would be harmful in the short term. Remember to allow the fish to be able to escape the lighting as it would in nature so do not 'fill' the aquarium sides with lamps but keep them to a proportion of the tank Yes the double T8 controller can be used with Arowana lamps if you are buying them as separate items and yes the switch will control both lamps. If you buy the Arowana lighting set it has the control gear with it. The dimming controller is for use with our LED luminaires, not with fluorescents Hope this helps Paul |
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27-01-2014, 07:13 PM | #13 | |
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I can't advise you on stock positions in Singapore I'm afraid, but suggest you contact: Qian Hu Corporation Limited (Yi Hu Aquarium Accessories Division) No.71 Jalan Lekar Singapore 698950 DID (65) 67661524/1549 Mobile (65) 92780800 FB They will know what they have on order and when it is likely to be in stock Paul |
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27-01-2014, 07:23 PM | #14 |
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Hi
No, this is definitely not a good idea! The Arcadia D3 lamp has a mixture of phosphors of which around half produce the colours we have in our Original Tropical lamp. These are centred on the red/blue spectrum required for photosynthesis in a planted aquarium and will encourage algae growth as well as distorting the colours. The Arowana lamp is designed for optimum tanning and any increase in radiation levels, unless the aquarium allows the animal to escape the radiation is not a good thing. Paul |
30-01-2014, 06:11 PM | #15 | |
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Personally I would use the 36" unit as this gives the fish the opportunity to move in and out of the lit area as it sees fit. I'm sure these animals have similar levels of intelligence to reptiles and we know they know when they've had enough heat or light! Paul |
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30-01-2014, 06:26 PM | #16 | |
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The tanning light set includes a 'reflector' which is a white section of the tubes that acts as a reflector. If you are referring to an aluminium reflector such as that listed on the website it might help if the lamp is mounted over the tank and out of the water but I believe it really is not necessary in that mode and certainly not when the lamp is submerged so I would forget it! Our distributor for Singapore is: Qian Hu Corporation Limited (Yi Hu Aquarium Accessories Division) No.71 Jalan Lekar Singapore 698950 DID (65) 67661524/1549 Mobile (65) 92780800 FB and I suggest you contact them for stock and prices if you want the reflector. Hope this helps Paul |
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20-03-2014, 10:44 PM | #17 | |
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The difficulty at the moment is getting LEDs that emit UV light. Some say they do but they don't and some say they do but die after a couple of weeks and don't really emit anything anyway! However, there are a number of companies trying to produce IR emitting LEDs and as soon as a good, reliable and economic product comes on to the OEM market Arcadia will certainly be looking at renewing the tanning lamp with an LED version - but don't hold your breath!! Paul |
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01-04-2014, 03:15 PM | #18 | |
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Our distributor for Singapore is: Qian Hu Corporation Limited (Yi Hu Aquarium Accessories Division) No.71 Jalan Lekar Singapore 698950 DID (65) 67661524/1549 I'm sure that if they do not have them in stock they can obtain one for you fairly quickly I hope this helps Paul |
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07-04-2014, 03:53 PM | #19 | |
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There is no reason why you shouldn't use the gold lamp with a red fish. Although it will not be as efficient it will still emit UV but just not exactly the same wavelength as the red lamp. Paul |
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07-04-2014, 06:13 PM | #20 | |
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I will be looking forward regarding LED that are able to emit UV light. Due to the cost of living in SG having a LED model would help hobbies like us who turn on tanning light on a 24/7 basics. Save electricity longer life time. Cheers. |
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