First, the seeds are planted in the foam block with holes called an oasis and seeds are coated by clay that holds in moisture to nourish the seed. Then, workers set them afloat the pool of water. The technicians always check levels of oxygen and fertilizer that's the key to hydroponic growing. In winter the seedlings will grow slower than the summer due to less light. Later they separate the seedlings apart. After that, move the seedlings that have strong roots in other zones. This process will happen while floating. This hydroponic system relatively safe. It produces plants without the use of pesticides and fungicides for growing because it's all indoors fertilizer can contaminate the environment.