What Are T5 Lights? | Our Full Guide to Types, Costs, and Benefits

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by Morgan

Last update:

July 7, 2022

How To Choose The Right Lighting For Your Marijuana Grow Room

If you're a plant enthusiast, you've probably heard of T5 lights. But what are they? T5 indoor grow lights are a type of fluorescent light used to grow plants. They are five times brighter than standard fluorescent lights, making them ideal for growing plants indoors. T5 lights come in various colors to find the perfect one for your plants. They are also energy-efficient, making them a great choice for those who want to save money on their energy bill. So if you're looking for a way to grow healthy plants indoors, consider investing in some T5 lights.

What Does T5 Lighting Mean?

T5 lighting refers to a type of fluorescent light that uses T5 lamps. It is commonly used in offices, indoor gardens, and retail settings. T5 lights are smaller and more energy-efficient than traditional fluorescent lights since they emit less heat, making them safer.

T5 lights typically have around 10,000 hours, significantly longer than traditional incandescent lights.

T5 lights are available in various colors, allowing businesses to customize their lighting to match their brand or decor.

growing lights above the plants

Which Is Better, Led or T5?

There are many differences between Light-emitting diode and T5 lighting, including upfront cost, energy efficiency, emissions, and life expectancy.

LED lighting upfront is typically more expensive than T5 lighting; however, LED lighting is much more energy-efficient than T5 lighting because T5 has a higher light output.

LED lighting also emits less heat than T5 lighting, making it more comfortable in enclosed spaces.

LED lighting has a longer life expectancy than T5 lighting, meaning you won't have to replace your lights as often.

LED has IP related to protecting the fixture and the occupant from water and dust ingress.

Two types of light are emitted: white light, a mix of all colors, and colored light produced by a single color LED grow light.

Which is better, LED or T5 lighting? LED lighting is the way to go if you're looking for the most energy-efficient and long-term cost-saving on grow lights. However, if you're on a budget and don't mind replacing your lights more often, T5 lighting may be better.

Do T5 Lights Use a Lot of Electricity?

T5 lights are available in a variety of sizes and wattages. The size of the light will determine the amount of light produced, and the wattage will determine how much electricity the grow light uses.

T5 lights are very energy efficient and can save a lot of money on your electric bill.

T5 lights produce light by using a fluorescent tube filled with gas.

Electricity enters the fluorescent fixtures through the electronic ballast, which provides the necessary voltage to start up and maintain the electric current flowing through the gas in the tube.

The ballast also regulates the amount of current flowing through the tube, which controls the intensity of the light produced.

What’s the Difference Between T8 and T5 Lights?

T8 and T5 lights are the two most common fluorescent lights that require lower maintenance than other fluorescent bulbs.

T8 lights are more energy-efficient than T5 lights, but they also cost more. In addition, T5 emit brighter light, making them better suited for task lighting. In contrast, T8 lights provide a more diffused light that is better suited for general lighting.T5 has no reflector, and T8 has a rectangular reflector.

T5 CRI is about 85, and T8 CRI is about 82. CRI means colors appear more accurately under T5 light than under T8 light.

T5 wattage is 54, and t8 wattage is 32. Wattage measures how much energy a light bulb uses. T5 requires about 60% more energy than T8.

T5 is about 5 feet long, and T8 is about 4 feet long. In terms of width, T5 is about 1 inch wide, and T8 is about 0.75 inches wide.

In terms of height, T5 is about 1.5 inches tall, and T8 is about 1 inch tall. So, in terms of size, t5 is larger than T8.

In terms of lifespan, T5 bulbs last about 30,000 hours, and T8 bulbs last about 20,000 hours. So, T5 bulbs last about 50% longer than T8 bulbs.

In terms of price, T5 bulbs cost about $15 each, and T8 bulbs cost about $10 each. So, t5 bulbs are about 50% more expensive than T8 bulbs.

What Are the Types of T5 Grow Lights?

A T5 grow light is fluorescent grow light that uses smaller diameter tubes than traditional T8 or T12 lights. As a result, these lights are more energy-efficient and emit less heat, making them ideal for smaller grow spaces.

Types of T5 Lights

T5 fluorescent lamps are available in sizes, shapes, and colors. Linear fluorescent tubes of T5 lamps are typically used in office settings and commercial applications.

Round T5 lamps are another type of T5 fluorescent lamp. These lamps are typically used in residential applications. Round T5 lamps are available in various sizes, ranging from 4 inches to 36 inches.

 T5 HO (high output) lamps are a type of T5 fluorescent lamp that is designed for high-intensity applications. T5 HO lamps are available in lengths ranging from 4 feet to 8 feet.

 T5 VHO (very high output) lamps are a type of T5 fluorescent lamp that is designed for very high-intensity applications. T5 VHO lamps are available in lengths ranging from 4 feet to 8 feet.

 T5 NO (normal output) lamps are a type of T5 fluorescent lamp designed for normal-intensity applications. T5 NO lamps are available in lengths ranging from 4 feet to 8 feet.

LED grow lights are becoming increasingly popular with indoor growers. They emit very little heat and can be customized to produce different wavelengths of light tailored to specific plants. LED lights are more expensive than T5 lights, but they're more energy-efficient and last longer.

T5 vs. LED Grow Lights: Which Should You Buy For Indoor Growing?

So, which type of light should you choose for your indoor grow operation? If you're on a budget, T5 lights may be the way to go. But if you're looking for the most efficiency and customization, LED grow lights are the way to go.

Factors to Consider When Purchasing a Growing Light?

There are a few things that many indoor growers consider when choosing the best light for indoor growing:

1. The type of plant you are growing. Some in the indoor garden while plants in the outside require more light than others.

2. The amount of space you have. If you have a small space, you may need to use a different light than if you have a large space.

3. The time of year. If you are growing plants that need a lot of light, you may need to use a different light in the winter than in the summer.

  1. The type of light or the light sources.

There are two main types of lighting:

  • Artificial lighting includes fluorescent lights, metal halide lights, and high-pressure sodium lights.
  • Natural light includes UV light.

5. The color of light you want to use. There are three main light colors: red, blue, and white. Red light is best for flowering plants. Blue light is best for vegetative growth. White light is a mix of the two and can be used for the flowering stage and growing seedlings.

6. The intensity of light you want to use. The intensity of light is measured in lux. The higher the lux, the brighter the light.

7. The duration of light you want to use. The duration of light is measured in hours. The longer the duration, the more light the plant will get.

8. The distance of the light from the plant. The closer the light is to the plant, the more intense the light will be.

What Are the Benefits of Using a T5 Grow Light?

There are several benefits to using a T5 grow light over other types of grow lights. T5 lights are more energy-efficient, produce less heat, and can be used in smaller grow spaces. They are also easier to set up and take down than other lights.

Best T5 Grow Light?

There are a few different T5 grow lights available on the market. The most common type is the linear T5 light, which is available in various lengths; rectangular, which is perfect for use in tight spaces; and compact T5 lights, which are ideal for use in small grow spaces.

Is There a Fluorescent Light Bulb?

Yes, there are fluorescent lighting bulbs. These light bulbs for growing are known for being energy-efficient and emitting less heat. They are often used in grow spaces because they can help save on energy costs.

What Are the Differences Between T5, T8, andT12 Lamps?

T5, T8, and T12 lamps are all types of fluorescent lamps.  However, they differ in their diameters and the amount of visible light they emit.

T5 lamps are the smallest of the three and emit the least light. They are often used in task lighting applications such as under-cabinet lights.

T8 lamps are larger than T5 lamps and emit more light. They are often used in general lighting applications such as offices and classrooms.

T12 lamps are the largest of the three and emit the most light. Therefore, they are often used in high-intensity lighting applications in warehouses and factories.

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About the author 


I discovered the benefits of Cannabis at a young age in 2002, with years of trial and error, my knowledge grew just like my plants. As my love for cannabis unfolded I began to teach and learn, trying to gain as much information and practical growing experience.

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