I test these things a fair bit and 92% is common. It's usually the German plastic from Bayer, I think it was Mitsubishi that has a few good ones too. Glass is the best, I know there is particular types of glass available that transmit 96% then there is a special anti reflective coating they add to ...

Both materials can block uv light. There are alot of variations to the and some will block more than others. While I think migrow is a pretty cool guy, he does not have the right equipment to come to that conclusion. 1.4% is not realistic from a cheap cover. It will be 96% at best. The 1.4% seems t...

If you have a lux meter please measure before and after as it will help people understand the difference MIGRO did a split-test for an HLG board using acrylic vs no-acrylic and the results were around a 1.4% reduction in output. Here's the video: https://www.youtube.com/watch?v=5jzpn_5e8uE I'm read...

Hey all. I have a question that I haven't found an answer for yet. ----- I'm wanting to run 6 bridgelux strips at 1400mA, but I want the ability to lower them to 1050mA in the event that they get too hot for my liking. My question: How do you monitor how many amps you're lowering the potentiometer t...