Method Seven EVOLUTION HPS PLUS HPS The spectral flexibility alone is

The spectral flexibility alone is worth the investment — we switched from PhysioSpec to AnthoSpec mid-cycle and saw a noticeable improvement in color development

The attached

Being able to adjust seal times delivers extra safety and consistency

Because a plant's blooming phase may be the most important in its growth cycle

Method Seven EVOLUTION HPS PLUS HPS The spectral flexibility alone isMethod Seven designs high quality glasses and photo filters for indoor and outdoor growing environments. Our grow room glasses provide true color in bright lighting and are optimized for each of the standard grow lighting spectrums. Lens Technology Perfect Color HPS+ grow room sunglasses are the go to optical tool for indoor and outdoor growing under high pressure sodium lights. These mineral glass lenses are infused with rare earth elements to filter