Quote:
Originally Posted by crimper
Check this out.... BRStv Investigate, Putting Chaetomorpha to the test: What we found about PAR and fuge size!
Those spiral CFL eh! 
https://youtu.be/OKNOfwEUdPs |
They are using a 100W CFL...lol not a common house fixture light. They would typically be for outdoor flood lights or garages. Wattage is the key here.
And as for replacement times...mine are 4 years and counting at 8 hours a day and still doing fantastic. Once again though...mine are actual grow CFL bulbs. Not common house bulbs.