The Sunmaster 600W HPS Bulb has a lumen output of 95,000 making this one of the most well performing lights on the market to date.
When used in conjunction with a Lumatek digital ballast, you can expect a lumen output of 105,000!
Can be used throughout the entire grow cycle but many users find results improve when using a blue spectrum bulb throughout the vegetative phase, and switching to the Sunmaster 600W for the flowering phase.
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