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Hi! do you know how a ballast with a dimmer on it works? like a 600w ballast with the option of dimmer it at 50% 75% 100%(600w) and the extra lumen do you use a 600w light bulb with every option or do you just install a different light bulb for every setup?
Hello. You just need one 600 light bulb. You will only get 50% of the light at that setting, best for seedlings or new clones. The 75% setting is for veg stage. The 100% setting is for heavy veg or flowering. Good Luck. Chuck.