Method Seven Evolution HPS+ Matte Black 150 Gallon Adjust to pH to proper

Adjust to pH to proper levels after mixing all fertilizers and additives

UV resistant power cable

Grow-Cubes are easy to use and reasonably priced

in soilless mixes or soil

Method Seven Evolution HPS+ Matte Black 150 Gallon Adjust to pH to properMethod Seven Evolution HPS Plus Glasses Matte Black Your go to optical tool for growing under high pressure sodium (HPS) lights. HPS Crystal lenses are crafted from German mineral glass that's scratch resistant, easy to clean and never hazy. Infused with earth elements to filter the grow room light spectrum and restore natural color, making it easier to spot issues like pests and nutrient deficiency. Our HPS Crystal lenses block ultraviolet light and