Why are Digital Ballasts becoming the norm?

Digital lighting has given the indoor gardener a great advantage compared to their old magnetic coil ballast counterparts. The new Digital Ballasts weigh less, run MH and HPS bulbs, use both 120v and 240v, run at cooler temperatures, have a higher lumen output, greater power efficiency, and some models even have dimming functions. The only advantage I’ve seen with the older magnetic ballasts is that the majority of them are still running. If you’re old school, you might even have a Diamond magnetic light still powering a grow.

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