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Thanks for the responses so far. :) To clarify, it is the hps bulb that is running much cooler. Yes, the new ballast is cooler as well and has a neat little internal fan blowing to help. It had a knob you can adjust the wattage with. I have it set to 600w for obvious reasons, but I'm...

Hi rollitup community! Long time lurker here. I just got a new 600 watt lumatek digital ballast to replace a magnetic one that died on me. the same hps light now seems to produce less heat now which i don't understand. Happy with it being easier to keep cool, but are the plants losing...