The FloraFlex? PotPro?Cube is a hydrated coco cube. This ready to use medium, saves you space as well as labor time. Place your 6 inch PotPro?Cube into the PotPro?Pot, hydrate with your nutrient solution and water, plant your plant, top it with a 6 inch FloraCap??and you are ready to hand feed. Advance to automation by attaching (2) FloraClips to your FloraCap??and use FloraTubing to connect your plant to your Quick Disconnect Pipe System Bubbler. Now let your PotPro?System take care of your plants.