SOLARMAX 1000W HPS DE 2100MMOL LAMPProduct Overview SolarMAX HPS Super HPS 2100 K FLOWERING As plants approach maturity they require less Blue Light and depend more upon radiation from the Red portion of the spectrum between 610 nm 720 nm. SolarMAX HPS lamps have been engineered to constantly deliver 10% more targeted Red Light energy to the maturing plant to promote aggressive flowering. Available in 400, 600, 1000w