Method Seven COUP HPS PLUS (Glossy Black) nutrient-combo Take the guess work out

Take the guess work out of feeding with this premium product brought to you by industry leaders

Simple two-point calibration process with 30-day calibration indicator

• Trigger last reproductive stage of plant cycle

Measures electrical conductivity (EC)

7 cm (16 1/32 in)

Method Seven COUP HPS PLUS (Glossy Black) nutrient-combo Take the guess work outMethod 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