Hydroponics is a method of growing plants without the use of soil. To replace the nutrients provided by the soil plants are usually grown in, a fertiliser solution is applied to the plant's bare roots, or to a soilless growing substrate such as perlite or clay pebbles. A top-drip system supplies the nutrient solution from above. Building a simple top-drip system does not require a lot of materials and is easy to set up in the home.
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Things you need
- Plastic tub
- Aquarium pump
- 1/2-inch hard irrigation line
- 1/2-inch 90-degree elbow
- 1/2-inch MPT barb
- Irrigation punch
- 1/8-inch microtubing
- 1/2-inch end plugs
Attach the 1/2-inch hard tubing to the vertical attachment from your aquarium pump.
Set the aquarium pump into the black plastic tub. Use a black plastic tub to keep light out of the nutrient solution.
Cut a hole into the lid of the black plastic tub so that the 1/2-inch hard tubing sticks out of the lid.
Stick the 90-degree elbow on to the hard tubing.
Attach the 1/2-inch microtubing to the 90-degree elbow by pushing it on. Place the end plug at the end of the tubing.
Place the half-inch tubing between the two grow trays.
Punch holes along the 1/2-inch irrigation lines. Stick the drip tubing into the hole by placing the MPT barb into the hole and attaching the drip tubing.
Fill the tub your nutrient solution so that the pump is covered. Mix the nutrient solution according to the packaging instructions.
Lay the drip tubing over the plants in your trays. Turn on the pump to get the nutrient solution flowing.
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