The Planted Tank Forum - View Single Post - Any experience with 65 watt cfl 6500k
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post #4 of (permalink) Old 01-31-2013, 02:04 AM
Algae Grower
Join Date: Jan 2013
Location: out wandering around
Posts: 78
I have seen some of these at the hardware store that are the bulb only. You will need a ballast to run it if it doesn't come with it. This is usually the case for the security lights. The ballast is contained in the unit and the replacement bulbs are separate.

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