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lth03 · 11/08/2008, 04:24 PM

These is some sort of lighting they use in the warehouse and on the street that look very similar to MH for aquarium,I wonder if they use similar magnetic ballast?

11/08/2008, 04:24 PM	#13
lth03 Registered Member Join Date: Aug 2006 Location: San Diego Posts: 173	These is some sort of lighting they use in the warehouse and on the street that look very similar to MH for aquarium,I wonder if they use similar magnetic ballast?