[Billy] has a special interest in passive hydroponics (also known as the Kratky method), which is a way of growing plants in nutrient-rich water that does not circulate. As the plant grows and liquid ...

Question: After we flush the toilet, when the tank is almost full, there is a noise. It appears to be the wire and bulb vibrating. Can this be fixed or do we need to get a new valve with parts? Answer ...