Method Seven Catalyst LED Phone Filter Plant Nutrients Dilution rate is pre-set to

Dilution rate is pre-set to 1 oz per gallon

Digital Sugar Refractometer for general purpose with automatic temperature compensation (ATC)

Doesn't leave objectionable residues

this increases root growth and boosts microbial activity

0–7000 ppm (700 ppm) and 0–50ºC/32–122ºF

Method Seven Catalyst LED Phone Filter Plant Nutrients Dilution rate is pre-set toMethod Seven Catalyst LED Phone and Tablet Camera Filter Create professional quality media in your grow room with the Catalyst Phone Clip Photo Filter. The Catalyst clips securely to your cell phone or tablet, balancing the color spectrum with a high quality Carl Zeiss lens for insane optical clarity when used under HPS (High Pressure Sodium) lights. The filter screw mount is a 37mm aluminum alloy ring and can be removed and adapted for security