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Forum: Lighting

01-04-2011, 04:29 PM

Replies: 9

Protection of CREE LED?

Views: 714

Posted By Ennio

Thank you all. I found a great supplier of...

Thank you all. I found a great supplier of acrylic, which is actually Poly(methyl methacrylate) (PMMA) (http://nl.wikipedia.org/wiki/Polymethylmethacrylaat) and is called plexiglass here in The...

Forum: Lighting

01-03-2011, 08:02 AM

Replies: 9

Protection of CREE LED?

Views: 714

Posted By Ennio

I would like to know more about the same. I'm...

I would like to know more about the same.
I'm looking for a shielding glass or plastic that
- has the least prisma distortion
- does not hinder output (at least 99% has to go through)
- can...

Forum: DIY

10-11-2010, 08:52 PM

Replies: 64

6g nano - LED lighting

Views: 11,269

Posted By Ennio

You realize that PWM introduces huge amounts of...

You realize that PWM introduces huge amounts of flicker in the tank? It may be invisible for the human eye, it sure isn't for the animals in your tank..

Plus, you lose the advantage of using DC...

Forum: The Planted Tank FAQ

03-10-2010, 12:07 PM

Replies: 43

Comparison of Lighting Types (Lumens and Watts)

Views: 70,901

Posted By Ennio

I would like to add that the webpage referred to...

I would like to add that the webpage referred to a few posts back is very wrong when LED is concerned. The lumen-requirements stated there are based on non-directional sources. LED is extremely...

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