20 Holes 4 Pipes-Horizonal 10 Holes 2 Pipes-Horizonal Hole Quanitity 20 10 Pipe Quantity 4 2 Pipe diameter 4.33in(11cm) 4.33in(11cm) Hole diameter 1.96in(5cm) 1.96in(5cm) Size of the net pot 2''(dia)x 2.7''(height) 2''(dia)x 2.7''(height) Material Food grade PVC-U Food grade PVC-U Planting Process: Seed - put the seed into the sponge, and wait for sprout;Sprout - vegetables will need 3-10 days to sprout, Fruits will need longer;Transplant - when it grows in certain period, it needs to be transplanted holed with sponge together;Planting- Grow - after 30-60 days, man can harvest;It is especially suitable for leafy vegetables in home, garden and office, such as lettuce, herb, celery, cabbage, etc.This hydroponic site grow kit produces high-quality leafy vegetables that are more nutritious and better-tasting than soil-gardened produce because oxygenated water and nutrients are delivered directly to the roots.Also allows you to observe the growth of vegetables at any time. From germination to seedling, and finally ripening, record each process of your own planting. In the family, you can also grow with your child and study how to grow healthy vegetables. I think it is great! Package Content Holder and Main Pipe Planting Sites Planting Sponge 1x110V Deep Well Pump 1 x Hose Cultivate Steps: 1. Prepare seeds suitable for hydroponics, soak the seeds for 1 hour2. Take the seeds out of the water and wait for the seeds to germinate3. Dip the germinated seeds into the sponge and wait for the leaves4. The seedling leaves in the sponge grow to 3-4 slices, and move to the pipe kits together with the sponge5. 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. The place must be under enough sunshine, at least up to 4 hours every day. If there is no enough sunshine, it will influence the vegetables malnutrition The water level should be sufficient so that the pump is submerged at all times, otherwise it will run dry and be damaged. First prepare seeds, nutrient solution and a bucket(not included).Seeds can choose cabbage, lettuce, coriander, celery and other leafy vegetables In order for the convenient transport ,We didn't install it . So you need to install by yourself. Simple Hydroponic Conditions The planting environment requires only sunlight and ventilation to grow. If there is no sunlight, it can also be planted with plant lights. Easy to Care Hydroponics does not require arable land, weeding, etc., which saves labor and saves time. Clean and Odorless Hydroponics is not soiled by the soil, and it uses a special fertilizer for hydroponic without odor. Make the most of Space Hydroponics frees vegetables from the constraints of the soil. You can plant it indoors or outdoors in the garden, on the roof, and on the balcony. SPECIFICATION Spacing between the holes:3.9inch/ 10cm Diameter of the growing pipe: 1.96in/5cm Size of the net pot: 2''(dia)x2.7''(height) FOOD GRADE MATERIALS Food-grade material, safe and green：This hydroponic site grow kit produces high-quality leafy vegetables that are more nutritious and better-tasting because oxygenated water and nutrients are delivered directly to the roots. PERFECT CONNECTION DESIGN S style flow hydroponic site grow kit, perfect connection of holder and pipe, advanced inner blocking design,and Extremely simple to assemble and use, it's perfect for beginners!