Description:The Hydroponic System is a practical way to start growing plants hydroponically. The Bubble Tub Hydroponic System is a professional 24 holes hydroponic growing set up. Simple and easy to use, and will have you growing top quality hydroponic plants in no time. All systems utilize the Deep Water Culture (DWC) hydroponic plant growing method. DWC hydroponics provides plants with highly oxygenated and nutrient enriched water directly to the root zone increasing plant growth and speeding plant development. Your plants will grow faster and larger in the Bubble Tub Hydroponics sytem when compared with soil grown plants.Specifications:Product Name: 1 Set 24 Holes Plant Hydroponic System KitHydroponic Box Material: PlasticHydroponic Box Color: Gray,Pink,Blue,GreenHydroponic Box Size: About 41x27.5x14cm Planting Hole Diameter:2.3cmUsage:1.Soak seeds for 3-6 hours.2.Put sponge cubes to the water, squeeze out the air, soak for two hours, then washed them twice with water.3.Place the sponge cubes in the cups and put the seeds into the sponge, 2-3 mm in depth.4.Put the planting cups into the bottom of the tank, pour the appropriate proportion of nutrient solution, the level of nutrient solution is about 2 cm5.Put the planting box into the sunny place, the seeds will grow leaves after about two weeks, then transplanted seedlings can be started.6. Remove the planting cup, pour the prepared nutrient solution, water level as shown.7.For the buoy, the green position is safe area, the red position is alert area, that you need to add nutrient solution8.After the plant grows, the level of nutrient solution should be reduced, which is beneficial to plant growthPackage Included:1 x Hydroponic Box With 24-Site Lid24 x Net Cups24x Rockwool Cubes1 x Tweezers1 x Buoy and fixed DeviceNote:-This sytem plant grow need 4 hours sun lighting at least.