Q:

How do you grow hydroponic tomatoes?

A:

Quick Answer

To grow hydroponic tomatoes, you need to plant the seeds in starter cubes, store the tray in a moist area, transfer the seeds to the hydroponic garden, and add nutrient soil to help the tomatoes grow. You also need a nursery tray, 1-inch rockwool starter cubes, haydite, tomatoes seeds or plants, and a hydroponic gardening system to complete this project.

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Full Answer

  1. Plant the seeds

    Add water to the rockwool starter cubes. Ensure that the cubes have a pH balance of 4.5 by using potassium hydroxide to raise the pH or phosphoric acid to bring down the pH. After planting the seeds, place the cubes in a nursery tray that has a dome lid.

  2. Store the tray

    Place the tray in an area with plenty of moisture. Remove the lid when the seeds begin to sprout. Place a fluorescent light over the tray for a minimum of 12 hours a day.

  3. Transplant the seeds

    Transfer the seedlings to the hydroponic garden anywhere from 10 to 14 days after the roots emerge from the bottom of the starter cubes. Use the drip irrigation method for large tomato plants.

  4. Tend to the garden

    Employ the drip irrigation method to grow the tomatoes using the expando system. Place each of the plants in pots, and cover the seedlings with haydite.

  5. Add nutrients

    Add 1 gallon of nutrient solution for mature plants and less for growing plants. Expose mature plants to at least 16 to 18 hours of sunlight each day and eight hours of no sunlight. Ensure that the room temperature is between 64 to 77 degrees Fahrenheit during the day and 54 to 64 degrees during the night.

  6. Maintain the nutrients

    Make sure the pH balance of the nutrient soil is 5.8 to 6.3. Test on a routine basis, and adjust the pH level accordingly.

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