HydroLogic 3/8'' OD tubing roll 500ft black (2/cs) Pre-Roll & Grinder Equipment An included 10-speed controller sets

An included 10-speed controller sets airflow and noise with PWM

Three times more potassium than nitrogen to assure high yields

500 Packets Per Master Case: One case

dense root colonization

HydroLogic 3/8'' OD tubing roll 500ft black (2/cs) Pre-Roll & Grinder Equipment An included 10-speed controller setsReliable 3 8" OD Tubing for Hydroponic Water Systems The HydroLogic 3 8 inch OD Black Tubing Roll (500ft) is ideal for connecting your Evolution RO or Merlin Garden Pro reverse osmosis water filtration systems. Durable Tubing for Indoor Gardening Made with high quality materials, this tubing ensures leak proof water delivery and long lasting use in demanding indoor hydroponic setups. Flexible and Customizable Its black finish helps reduce algae