Q&A for How to Grow Plants Using Hydroponics

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Do I still need dirt to grow plants?

Community Answer

You do not need dirt to grow plants, Gravel and many other substances can be used. The plants can rely only on the water and nutrients provided continuously.

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What kind of seeds can be used to grow a plant in 15 days?

Community Answer

Try lettuce or Thai Basil. They are pretty quick. Most herbs are fast growing, but ones with woody stems tend to take a lot longer.

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What temperature should the water be for lettuce plants?

Community Answer

Room temperature is fine. If the water is too warm, it can encourage algae growth.

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Where else can I use hydroponics besides a greenhouse?

Community Answer

Using a grow light, you can grow hydroponic plants virtually anywhere! A "grow light" is usually a mix of red and blue light. (Green light isn't actually needed to grow plants.) However, a white LED or fluorescent bulb can also be used. (Just make sure the light isn't too hot or it will damage the plants.)

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What is a good, dark, warm, place in a house for growing plants?

Community Answer

Maybe a closet or cellar that has or is close to a heater. You might want to get blackout curtains if it has a window.

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Can this method be used in space?

Community Answer

Theoretically it is not possible due to the surface tension of water extending to the surface of the plant and it will cut the supply of air. However, creating a well engineered hydroponics system for zero-gravity purposes may work if the unit and the carrier itself is suitable for growing such plants.

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