Item Description:√ The Hydroponic System is great for horticulturists who want big yields from large plants.√ This system is suitable for up to 8 plants and because the oxy pot is not connected to any other pot like with the bigger dwc systems they can be easily moved around and suit horticulturists who work with smaller areas.√ 20 liters of large-capacity black cultivation barrels, protected from light in black, are good for plant rooting and avoid the production of green algae by nutrient solutions. Made of engineered plastic materials, it is durable. Instructions:1. Prepare nutrient solution: Add water to the cultivation barrel, put the concentrate into it, and stir it evenly.2. Colonization: Clean the ceramsite, wash the roots of the plants to be cultivated, remove the old roots, and put in the colonization basket. Add the ceramsite to fix it (if the seedlings can be directly transplanted). Note: The newly planted plants should be shaded a few days ago to prevent the water from evaporating too quickly and the plants wilting. It is also possible to partially coat the plastic bags and then remove the shade after they have survived.3, Connect to oxygen pump Specification:Colour: BlackBarrel Material: PlasticOxygen Pump Voltage: AC220VBarrel Size: 30x37cm/12"x14.5" Package Included:1 x Hydroponic barrels1 x Adjustable air volume oxygen pump.8 x Engraftment basket8 SET x Silicone tube1 x Straight-way valve1 x 8 side tube connector