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This is quite an interesting page I found on the subject of lighting very high ceilings but the interesting point is way down on the page.
It suggests that unlike all other fluorescents T5HO uses a 'programmed start' electronic ballast and will only degrade (lumenwise 5-6%) over its lifetime...
Hello.
I was just wondering. Those of you with quality luminaires like Arcadia etc. What is the bottom surface made from?
Is it glass or is it acrylic or something else?
If it is acrylic do you find it hard to clean from any 'calcium deposits' that splashes leave behind?
Thanks in advance
AC
Take a look at this. I show some tongue in cheek enthusiasm in my interest in this thread as you will see from the post I made in it. he, he
What a joker lol. He sure is proud of his scientific achievements here.lol
http://www.fishforums.net/index.php?sho ... try1937658
Andy
As I have just installed my new HO T5 lamps I thought I would just do a review of them judged against the lights I have previously used over the last year from original supplied through all the mods.
The Spectrum Grow is a pink/purple lamp and people who have seen me post will know I hate...
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