Tested bulbs are about six month old – considered expired. Spectrometer pics will be added ASAP.
Everything you want to know about light, and probably a little bit more! http://www.oceanopticsbook.info/
I use this Kill A Watt meter to measure any device I have electricity questions about. I also use it to measure total system power usage and even to track cost over time. For the price, a Kill A Watt meter eliminates so many questions and has even given me some answers I didn't know the questions to yet!... Continue Reading →
By Steve Frick They're not as different as you might think! Reef aquarium caretakers tend to obsess over flow. We use pumps to pull water through our sumps. We put in powerheads and wavemakers all in an effort to push water around. We use pumps with aerators to run skimmers. Even though we have many... Continue Reading →