What Size LED Grow Light for 3x3 Grow Tent (2022 Updated)

indoor growing1130
5 min readJan 7, 2022

LED Grow Lights are becoming more and more popular in all types of indoor gardening. The best led grow lights can help you to grow strong, healthy plants. They can give you a huge yield plus great quality of fruits and flowers. Indoor growing offers many advantages.

The biggest benefits are the most obvious! Garden pests can’t get at your plants, and you have total control over the weather. You will want to keep reading our Best LED Grow Lights For Indoor Plants Review Guide 2022 to see our selections for the “Best LED Grow Lights 2022”

Why Use LED Grow Lights?

There are a few different types of grow lights on the market, but LED lights are by far the best option for indoor plants. Though they are more expensive to start with, they last longer than fluorescent lights or grow bulbs.

LED grow lights are also more energy-efficient. They generally use about half the electricity of their fluorescent counterparts. They also don’t use glass, so they are less likely to break. If you’re worried about the amount of heat that the grow lights give off, LEDs are the best option. They put off very little heat during use, and you can use them for many hours at a time.

Overall, LED glow lights are a better long-term investment. Many LED lights can change colour and temperature won command, so you can use them for all of your plants.

However, what Size LED Grow Light Do I Need?

For optimum yield, A good rule of thumb is to choose an LED grow light that outputs at least 40w per square foot of growing space. Make sure that the light can draw 40w from the wall (not the combined capacity of the LED’s) Example: a 3ft long x 3ft wide grow space would require a 360w LED grow light.

Best LED Grow Lights for 3x3 Grow Tents Recommend for You

ECO Farm SP-400 Samsung Foldable Dimmable Full Spectrum LED Grow Light

Features:

This ECO Farm LED grow light uses high-quality and durable drivers and 6 passively cooled light bars to provide full-spectrum and wide-coverage light for vegetable and flowering growth stages. This plant growth lamp has a high energy efficiency of 2.8umol/J and can produce a total PPF output of 1176 umol/J. It creates a uniform light spread in a place very close to the crop canopy, and provides for indoor planting, greenhouses and planting tents. A great effect. Compared with conventional similar wattage HPS solutions, LED lights can achieve 30–40% HVAC capacity and up to 30–60% increase in output. The ECO Farm LED plant growth light has a built-in 0–100% dimming control knob to control the dimming ability. Up to 100 lamps can be connected in a daisy chain. IP65 wet environment protection grade, waterproof and dustproof. The LED plant growth lamp adopts high-quality aluminum heat sink design to efficiently dissipate heat. It has no additional fans, and the quiet planting environment has zero noise.

Phlizon FD4000 Plant Led Grow Light

Features:

The upgraded PHLIZON FD4000 450W high-efficiency LED ceiling light with daisy chain function is specially designed for greenhouse and indoor applications, and is very suitable for full-cycle growth. The elegant design minimizes the interference of sunlight and at the same time provides more opportunities to enter the plant canopy. The ultra-efficient and compact design of the built-in driver utilizes thick waterproof aluminum skin to provide excellent heat dissipation and longevity. Efficient full-spectrum SMD chips provide ideal conditions for providing consistent crop quality. The daisy chain dimming function allows gardening professionals to adjust the PPFD to improve performance and yield.

Rayonled GLMF400W LED Grow Light

Features:

This LED grow light is the latest products from Rayonled’s team of lighting bioengineers. Backed by their impressive expertise in LED technology, this medical-grade unit has everything to appeal to both hobby and commercial growers. The GLMF400 is designed for plants in the vegetative stage the spectrum minimizes the stretch and allows for better and faster root structure, bigger stems and more dense leaves. From the spectrum to the certifications, it has been thoughtfully crafted to compete with the top grow light on the market.

Buyer’s Guide

Before buying an LED grow light, read our buyer’s guide below to learn about important factors that’ll help you make an informed purchasing decision.

Coverage
Grow lights typically give you measurements for how much vegetative and flowering coverage they offer. Be sure to choose a light that matches the amount and type of coverage you need.

Wattage
A grow light’s wattage determines how much light it produces. Different plants require different amounts of light, so don’t just choose the light with the highest wattage. Instead, match the wattage to the plants you’re growing. For example, if you’re growing tomatoes, choose a grow light that offers about 32 watts of light per square foot.

Adjustability
Several features of your LED grow light should be adjustable.

Color: Plants need a different color light for every step of their growing cycle. The best LED grow lights offer red, blue, and white color options.

Brightness: In addition to color adjustability, LED grow lights usually have knobs for adjusting the brightness of their bulbs.

Proximity: You can also adjust how close the lights are to your plants by lengthening or shortening the rope or chain they’re hanging from.

Installation

Grow lights are usually mounted to the ceiling with a chain or rope. This installation process can take anywhere from 30 minutes to a couple of hours.

Conclusion

Now that we’ve shared our picks for the best led grow lights, you will find it much easier to choose one that works best for your needs. These products are not the same, because they are meant for different areas and have various features. Whichever one you pick, you should know that you’ll be getting a bang for your buck.

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