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Are Four T8 Fluorescent Tubes Good for Growing Vegetables?

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With the help of T8 fluorescent lights, you can have fresh vegetables year-round. You will need to use four fluorescent tubes, however, to provide enough light for these sun-loving plants to thrive on a covered patio or indoors. They must also be the right type of T8 fluorescent bulb and they must be placed at the proper distance from the plants.

It’s Complicated

Fluorescent light is made up of various rays that fall into blue, orange, red or yellow-green color spectrums. Cool-white and warm-white fluorescent bulbs put out light with plenty of blue, orange and yellow-green light, but they do not put out enough red for vegetable plants. Balanced, full-spectrum, natural or grow bulbs marketed specifically for plants provide plenty of red light in addition to the other color spectrums.

Bigger is not Always Better

Newer fluorescent light bulbs have a smaller diameter, are more efficient and produce more light. T8 bulbs are newer fluorescent bulbs that are 1 inch in diameter. Four T8 bulbs are ideal for growing vegetables.

Money-saving Combinations

A combination of cool- or warm-white T8 fluorescent bulbs, and T8 full-spectrum or grow bulbs can be used to provide sufficient light in all of the spectrums. Cool- and warm-white bulbs are less expensive than full-spectrum bulbs. Using two cool- or warm-white bulbs and two full-spectrum bulbs will save money and provide the right type of light.

Maximizing Light

Reflectors on the top and back of the light fixture will increase the amount of light that reaches the vegetables. Many fixtures designed to provide light for plants have a reflective top surface. Shiny aluminum foil can be placed above the light bulbs and behind the plants, though, to create a reflector if the fixture does not already have one. Adjust the fixture to maintain a distance of 6 inches between the tops of the vegetables and the T8 light bulbs. Turn the lights on in the morning when the sun comes up and leave them on for 18 hours each day. The easiest way to accomplish this is by plugging the fixture into a timer. For best results, grow the vegetables in front of a south-facing window so they will get natural light in addition to the artificial light.

  • University of Missouri Extension: Lighting Indoor Houseplants
  • University of Vermont Extension: Indoor Lighting for Plants
  • University of Arizona: Arizona Cooperative Extension: Vegetable Garden: Container Garden

Reannan Raine worked for 30 years in the non-profit sector in various positions. She recently became a licensed insurance agent but has decided to pursue a writing career instead. Ms. Raine is hoping to have her first novel published soon.

Are Four T8 Fluorescent Tubes Good for Growing Vegetables?. With the help of T8 fluorescent lights, you can have fresh vegetables year-round. You will need to use four fluorescent tubes, however, to provide enough light for these sun-loving plants to thrive on a covered patio or indoors. They must also be the right …

Super t8 grow lights

20% with reflector. The shell of our light was made of 100% aluminum which provides the high-efficiency heat dissipation. Ensuring the longer service life of the led chips

  • Easy Installation – With included tape, clips and cable ties, you could install the lights by yourself in minutes. Plug and play, and you could link up to 12 lights in a series, saving your installation cost and time
  • Eyes protection – This grow light are suitable for planting plants in any indoor application. Sunlight white color temperature makes your eyes feel comfortable. It works extremely well for your plant grow tents, plant grow shelves, seedling cultivation, succulents, hydroponic rooms, greenhouses, etc.
  • What You Get – 2 years warranty. 6 x Barrina LED Grow lights, 3 x Power cords with ON/OFF switch, 5 x Connecting Cords(48”), 6 x Small Connectors, 6x Installation Clips, 12 x Tapes, 24 x cable ties

Product Description

Barrina LED grow lights provide indoor plants with full-spectrum sunlight replacement. White color output not only could reduce your cultivation costs and prolong your flowering period, but also could protect your eyes. It is a perfect option for indoor plants growing. Compare to HPS/MH, Barrina grow light has higher efficiency but low consumption.

Blue Wavelength

It is a necessary wave for chlorophyll , good for the photosynthesis, best for promoting the stem and leaf.

Red Wavelength

It is essential to a plant’s early life for seed germination, root growth, and bulb development. It also makes the plant yield better results when flowering.

Green Wavelength

Little green light could makes the plants look more healthier and more gorgeous

Specification
  • Package: 6-Pack
  • Power: 24W(Each light)
  • Frequency: 50/60 Hz
  • Beam Angle: 270 degrees
  • Input Voltage: AC85

265V

  • Material: Top quality Aluminum & superior PC
  • Lifespan: ≥50,000 hours
  • Barrina Grow Light, 144W(6 x 24W, 800W Equivalent), 2ft T8, Super Bright, Full Spectrum Sunlight Plant Light, LED Grow Light Strips, Grow Light Bulbs for Indoor Plants, 6-Pack