PotMonster
Active Member
I was given a 400W MH setup with a 360W HPS conversion bulb with magnetic ballast.
I have no idea which bulb is which. They look exactly the same, ecept one bulb has a small cirlcular metal piece on it..
Which is which??
I have no idea which bulb is which. They look exactly the same, ecept one bulb has a small cirlcular metal piece on it..
Which is which??
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