The Planted Tank Forum - View Single Post - Any experience with 65 watt cfl 6500k
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post #9 of (permalink) Old 01-31-2013, 03:56 AM
Algae Grower
Join Date: Jan 2013
Location: out wandering around
Posts: 78
Originally Posted by aokashi View Post
oh lol, that's a ballast? i always thought it was connected to the fitting. my bad. then yes there is a ballast
The ballast is located inside the plastic casing which is real common in CFLs. That's why I mention that some do not have them and are meant to be used with a yard lamp security light system.

photos above courtesy of google.

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