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Showing results for tags '400W or 250W'.
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Hi all I'm looking to purchase another light for a small 60x60x160 tent for Quarantine purposes. Really I'm mainly going to use the light on a 250W setting. I know cost wise it's more effective to purchase say the Gavita digistar 400W dimmable or the lumatek dimmable and run at the 250W setting as this would give me further capabilities if needed in the future. What I would like to know is........... Is a 250W lamp going to run more efficiently light wise in a straight 250W ballast or at the 250W setting on a 400W dimmable ballast ? Grtz HillCrest