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  1. Shamsul

    WTT 4Feet T5

    WTT Aquazonic SuperBright T5 light set (54wX2). (4Feet Light) Would like to trade this for a magnet scrapper with blade, suitable for my 12mm glass tank. Light set is 3 months old, come with 1 Blue & 1 White tube. i got this light set with my new tank, so don't have the receipt and no warranty. Trading this since i upgraded to LED. Collection is at the East. SMS/Whatsapp @ 92 47 98 25 Attached Picture is just to see the model, i don't have this box now, pic was taken when the light was delivered to me.
  2. Hi Guys, looking for 2 tubes 3ft T5 fixture, prefer DE lighting / Giesemann. please PM for deal. For those who want to upgrade to 4 tubes, i can trade with my 4 tubes DE 3ft fixture with topup thanks.
  3. Hi bro/sis, i am new to this hobby, anyone can share with me What height is good for a new reef tank for a new reefer? i currently have a 3ft high tank but doubt i should use the whole height. any suggestions? Cheers
  4. Looking to buy a single bulb t5 light set , preferably with mounting brackets . My tank is 2feet (60cm) long . Thanks . Double bulb width of lightset must be thinner than 12cm , thanks .
  5. selling working odyssea brand 3 ft T5, 4 tubes and 6 blue LEDs, aluminium enclosure, individual switch for 2 tubes and LEDs, includes extra blue tube, all tubes used for around 3-4 months, tube installed are 3x blue and 1x 10k white, condition 6/10. all going for $50 self collect at yishun. interested please pm thanks.
  6. Dear Reefers, Need your advise and views on the following lighting options... Am currently using a 1 x MH250 with 4 x T5 for a 3x2x2 am thinking of adding 2 x Ecoxotic PAR38 Aquarium LED 6-453nm Blue 4-6500K 2-Red... Would that be an overkill of lights? Am keeping a mix reef of Soft, LPS & SPS. Bulbs are due for change next month and am looking at getting the following... Option 1 - 2 x Ecoxotic PAR38 Aquarium LED 6-453nm Blue 4-6500K 2-Red - 2 x ATI Purple Plus T5 - 2 x ATI Blue Plus T5 - 1 x Giesemann Megachrome Blue, SE 21,000K MH Option 2 - 2 x Ecoxotic PAR38 Aquarium LED 6-453nm Blue 4-6500K 2-Red - 2 x ATI Purple Plus T5 - 2 x ATI Blue Plus T5 Option 3 - 2 x ATI Purple Plus T5 - 2 x ATI Blue Plus T5 - 1 x Giesemann Megachrome Blue, SE 21,000K MH Option 4 - 2 x Ecoxotic PAR38 Aquarium LED 6-453nm Blue 4-6500K 2-Red - 2 x ATI Purple Plus T5 - 2 x ATI Blue Plus T5 Advise if grealty appriciated!
  7. As subject states, this is part of the report which has drawn my attention to the heat concern on LED. It says that as compared to T5, LED's overheating has much concerned. I'm abit confused now as what I heard so far is LED generates much less heat than MH n T5. Any expert can clarify this... Here is the report mentioned n the link: http://lumiversal.net/upload/T5%20v.%20LED.pdf The case study by IEEE also examines the heat dissipation of each lamp and found that the T5 lamp dissipated about 73% of its total lamp power as heat. However, the LED lamp in this study dissipated about 87% - 90% of its input power as heat. This high heat dissipation percentage can greatly increase additional cooling costs in your building, significantly reduce bulb lumen life, and lead to possible bulb failure. LED fixture heat dissipation and overheating is a growing consumer concern. An Illumra Green Systems executive recently discussed this issue in an article entitled “The Biggest Barrier to LED Lighting.” In this article, the author suggests LEDs have the potential to double their temperature after they have been in use for an extended period of time. The resulting increased LED temperature can reduce the lamp’s life hours by more than 50%. The author describes why LEDs are more prone to overheating than fluorescent bulbs by stating, “Most light fixtures have been designed to take light from a (fairly focused) point source, the filament in the bulb, and diffuse it evenly over a space. Putting lots of LEDs at one point concentrates the heat, making it harder to keep the LEDs cool.” To prevent heat concentration in an LED fixture and avoid LED bulb failure, users must provide additional system cooling, resulting in higher HVAC costs and greater energy use.
  8. Hi reefers, I had just gone through a nightmare yesterday that i was trying to get some help to fix one row of my blue LED, turned out that this "professional" eletrician made all my blue LEDs stop working and claiming its nothing to do w him. The color looks terriable now. So I will probably dump this LED at this moment n get a new lighting. Think of the positive side of this incident which gives me an opportunity to try sth new. I started this hobby w LED (never used other light source before) n hv a quite gd result w my LPS so far. I hv just started w some SPS recently, understand that alot reefers hv great success of keeping SPS under T5, would like to give it a try. I'm thinking to simply start w a 2x2 tubes T5 first. Thus, would like to get some advices fr T5 gurus on the bulb combination. Thanks.
  9. I am looking for spoil 4 feet T5, FL or PL light casing that you might have stow away somewhere in the storeroom. I don't need the light to be working, as I just want the casing and stands. Do let me know, the condition, where is the collection place and how much you're looking at. Would prefer N, NE, E or Central as I don't have transport. Thanks.
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