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Unit 2 Part (A). Creating a hydroponic Grower

Choosing a Tub or Container

The best plant growers are made from plastic containers, and these should be light proof so that algae does not grow on the edges. The buckets we use in the kits are not light proof, so that you can see the roots for your first experiments. If you wish to make the bucket lightproof, it can be wrapped in aluminum foil.

Other Containers

A container or tub for hydroponics can be any watertight object that does not let light through. Most growers are plastic, and metal in usually be used because it can poison the plants. A Rubbermaid tub is 1'x2'x9" and sold in US for about $6.00. The tub can be any size, and larger tubs can be made of adobe or mud and lined with a waterproof material. Smaller growers can be made of disposable cups or food containers.

Placing the Drain Hole

To create a hydroponic grower out of the tub you will need to create a drain hole on a side. The drain hole can be placed anywhere along the side, and where it is placed will determine the water table in your grower.

Plants grow with their roots going towards the water table. The plants vary in how much area they want in the ground before they find a water table and so where you put the hole in the side of the tub will determine which type of plants will grow best in the tub.

Deciding where to place the drain hole determines what kind of food you can grow in the tub. A hole was cut one half way up the side of the tub for corn. A hole is cut in the tub, which is large enough for a drain fitting. The drain hole will allow excess water to drain out of the system and be available to use later.

Revised: 1 May 2021
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