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From: damien.w...@gmail.com
Date: Sun, 23 Sep 2012 16:01:34 +1000
Local: Sun, Sep 23 2012 2:01 am
Subject: Re: [CCHS] Re: LEDs with tropical aquarium
Hi Willy,
Sounds like you've had similar experiences.
> if you let it keep blinking (= restarting) for long time then you'll be
Yep, I've heard of cases where it shortens the life of a tube, or has
> overstressing the starter circuitry which will reduce its lifespan; > then you need new electronics. trouble starting a new tube. The ballast seems fine. > Fish tank tubes are a lot more expensive than household 40W tubes ~$3 :(
These particular tubes are 30W, though I know what you mean about
aquarium tubes being costly. Replacing with LEDs is cost-effective immediately. Long-term power-savings from LEDs would add-up nicely. > Believe they output more red although never tried testing their actual
Yes, a lot more at the red end. You can get a range of aquarium lights
> spectrum; that are optimised for specific purposes / climate simulation. To my eyes, these have a magenta tint. > LEDs are more energy-efficient as they can be made a lot tighter in
First thing I did was swap-in a spare tube I have for times like this.
> wavelength. > When our tank tubes blink & we don't have a spare on hand, we either remove > the > bad tube or switch in a std coolwhite tube until a proper replacement can be > found. It's not quite the same, but satisfactory for a few days. > We've killed more than enough tropical fish (99.99% success rate so far!)
Glad to say I've had better longevity with my fish; sorry to hear
> but > i doubt any of them have died from having the white tube there for a few > days/weeks. > White fluoro does seem to cause algae to grow faster though > and the whole tank looks duller/greyish. about your bad luck! I think a regular fluorescent tube looks a dull greeny-yellow in comparison, though haven't used one of each long enough for a useful side-by-side comparison of algae growth. ;) > btw if you wish to change the light's electronics there are different
Probably cheap'n'nasty ferromagnetic. There'd be a few people on this
> designs > of starter/ballast; some boast to prolong tubelife more than others. > Much less choice here in Oz but overseas i have gone to lighting wholesalers > to buy light fittings (where they'll build your light from components you > specify) > & there's myriad choice/price just for that little blackbox between mains & > tube. > What they offer in Bunnings/Masters is a joke by comparision, was there
list who have stories to tell about Bunnings quality. IIRC, the fitting came bare, so I installed electronic ballasts from Jaycar or Altronics. Cheers,
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