Food Grade Hydroponic Growing System Adopted food-grade PVC-U, the system produces high-quality vegetables, herbs, melons, and berries that are more nutritious and better-tasting than soil-gardened produce because oxygenated water and nutrients are delivered directly to the roots. Seedling Steps: 1. Prepare seeds suitable for hydroponics, soak the seeds for 1 hour 2. Take the seeds out of the water and wait for the seeds to germinate 3. Dip the germinated seeds into the sponge and wait for the leaves 4. The seedling leaves in the sponge grow to 3-4 slices, and move to the pipe kits together with the sponge 5. Wait for the seedlings in the water pipe kit to be ready for harvest Important Note - You need to prepare one 15-20L reservoir tank(not included), we advice you choose a non-transparent and covered tank. You also need to provide a power supply. - Note: The water level should be sufficient so that the pump is submerged at all times, otherwise it will run dry and be damaged. - The default setting is 5 minutes of power on and 30 minutes of power off,You can change the setting,please connect to power on according to the drawing,No other equipment required! - The hydroponic equipment is installed without glue, but must be installed in accordance with the installation instructions. -Place hydroponics equipment under the sunny place to lighted at least 4 hours a day, to avoid vegetables in insufficient light lead to malnutrition. If there is no sunlight, it can also be planted with plant lights. - Provides a 1-year on the Hydroponic Grow Kit and accessories. Package Included Hydroponic Holder and Planting Pipe 12V Water pump * 1 Pump Timer Controller * 1 Square Planting Cup * 72 Planting Sponge * 72 Tweezers * 1 Hose * 1 Installation Instructions * 1/Implant Instruction* 1