sandrachameleon
Chameleon Enthusiast
Can someone go back to the beginning to explain why you are talking about old vs new? And, which one is better?
Thanks.
Several years ago, around 2006/2007 there were some CFLs that were found to be responsible for eye issues.
See: http://www.uvguide.co.uk/phototherapyphosphor.htm
also of interest might be: https://www.chameleonforums.com/updated-info-cf-uvb-lamps-29318/
By using the Search function of this forum, you will easily be able to find more of the historical discussion points, if you wish, for yourself.