ALIEN RAIN (4 to 48 Pot) 30L Black Series Alien RAIN System 2.0 replicates rain and feeds plants. The system sprays down your nutrients into your media. You can also run the system to waste, or it can be re-circulated. The air and nutrients are delivered to the plants, flushing away salts. This helps keep salt buildup at bay. Alien RAIN System lids are cleverly designed to keep the light from reaching your medium, thereby preventing algae problems. Each pot is made from Heat-Reflective Silver polymer and has drainage bases. Copper drain covers are included for every one to prevent roots growing in pipes. Complementary 120L Camo Tank that provides nutrients via RAIN(tm). Brain. The Alien RAIN4 Pot 30L Silver Pro Series optimises your maximum potential for growth. It uses the SPX-Flow(r), RAIN(tm), Brain' and RAIN(tm] pumps to provide a nutrient solution directly to the medium. This will increase nutrient uptake, and improve root health. Plant vegetative time will be shorter and yield a better harvest. NOTE: CAMO TANK NOT INCLUDED & NEEDS TO BE ORDERED SEPARATELY The many benefits of using the Alien RAIN Silver Pro Series include : Mimics rain each feed, Made from Heat-Reflective silver polymer, Equal delivery of nutrient to plant surface, Eliminates top surface algae, Allows medium to dry evenly, Flushes away residual salts, Supports any growing medium, Uses nutrients and water efficiently, Very quiet in operation, Greater Yield Potential, 30 litre pots for increased root space, Higher productivity with fewer plants, Increased growth rates, Increased Efficiency , High quality RAIN™ Brain', RAIN™ pump and SPX-Flow® pump, Huge volume of nutrient solution means stable pH, EC/TDS and less change outs, High levels of oxygen and constant circulation optimize plants nutrient uptake capacity