Leader Ecosub 420 Submersible Pump, 1/2 HP - 3960 GPH Soil Building Kits They work by a process

They work by a process known as adsorption where VOCs

Better Nutrient Absorption

For Rooted Clones - 1/2 oz per gal

277 Volts with L7-15P Plug

Leader Ecosub 420 Submersible Pump, 1/2 HP - 3960 GPH Soil Building Kits They work by a processEcoSub 420 from Leader Pumps Details Leader Ecosub Submersible Pump 1 2 HP 3,960 GPH is a multipurpose submersible pump designed to circulate water in all types of tanks, reservoirs, hydroponic and aquaponic systems. Suitable to pump clear water containing particles with diameter up to 1 4 in. Other features include wear resistant shaft and impeller. Anticorrosive and rustproof materials. Motor with thermal overload protection supplied with power