The first step in growing in a hydroponic system is sprouting the seeds. CropKing offers a variety of sprouting containers and plant growing trays for use in seed propagation and hydroponic growing. Check out our sprouting trays and containers here. Products $0.55 5 Gallon Poly Grow Bags with Holes $0.20 2 Inch Net Pots $1.70 Seedling Starter Tray Insert $1.25 Seed Tray with Holes 10/20 $1.25 Seed Tray without Holes 10/20 $1.00 Web Seedling Tray $6.50 7 Inch Humidity Dome $3.00 2 Inch Humidity Dome $559.95 Rolling Flood Table Stand $149.95 Rolling Reservoir Stand $149.95 Rolling Flood Table Light Rack $90.75 25 Gallon Black Reservoir