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Newt · 06-30-2006, 07:42 PM

I use a 40 watt grolux standard and a 40 watt grolux wide spectrum (both linear fluorescent) and (2) 55 watt Philips PL-L 950 CF. The Grolux standard has no kelvin rating. The wide spectrum is 3400K and 89 CRI. The Philips CF are 5000K and 91 CRI. Nanometers as displayed on attached spectral graphs:

06-30-2006, 07:42 PM	#8 (permalink)
Newt Senior Member Join Date: Mar 2004 Location: between Here and There Posts: 1,036 iTrader Ratings: 9 iTrader Positive Rating: 100% Plant Points: 55500	I use a 40 watt grolux standard and a 40 watt grolux wide spectrum (both linear fluorescent) and (2) 55 watt Philips PL-L 950 CF. The Grolux standard has no kelvin rating. The wide spectrum is 3400K and 89 CRI. The Philips CF are 5000K and 91 CRI. Nanometers as displayed on attached spectral graphs: Last edited by Newt : 01-28-2008 at 04:17 PM.