pH Control Kit - General Hydroponics
You need to add plant nutrients to your water for the plants that you are growing. You need to control the amount of nutrients to your bucket system or drip system for your plant.
Depending on your level of expertise, I would start out with a premixed solution from General Hydroponics that you just add to the water reservoir every two weeks.
Choosing the right size tubing for your hydroponic gardening project is important.
