WATER CULTURE DEVICE

PURPOSE:To enable to use a bed for submerged water culture also as a bed for NFT type water culture or for rock wool type water culture. CONSTITUTION:This water culture device is provided with a bed 1 for fresh water type water culture and with a support member 2 detachably set on the inside of the bed to raise the bottom of the bed 1. Two or more of liquid fertilizer passages 4 divided with dividing walls 3 are formed on the support member 2. Or, the water culture device is provided with a bed 1 for fresh water-water culture and with a rock wool 5 detachably set on the inside of the bed 1 to raise the bottom of the bed 1. Or, the water culture device is provided with a bed 1 for fresh water-water culture and with a lifting member capable of being detachably caught by a plant-setting plate 6 to be hung in the bed 1 and capable of loading a bottom-raising rock wool thereon.