General Hydroponics WaterFarm Farm Kit
A kit to make your own Waterfarm hydroponics unit. It includes a drip ring, pumping column, column support tube, 1/2" grommet, and drain level tube.
How often should I change the hydroponic nutrient solution in my reservoir?
To ensure optimal nutrient availability and freshness, change reservoir solutions completely every 1 to 2 weeks. If needed, top off low reservoir levels with 1/4 strength nutrient solution or plain water.