The best led light for 4x4 grow tent

Posted on Jun 27 , 2024

A 4x4 meter grow tent is a common choice for growing spaces, providing ample room to cultivate cannabis. Typically accommodating 4-6 medium-sized cannabis plants, the exact number depends on the strain of cannabis. To fully utilize such a growing space, it is essential to ensure each plant receives uniform and adequate light. This necessitates the grower to select an appropriately sized LED light.

In this article, we will explore several best led light for 4x4 grow tent. We will analyze aspects such as spectrum, coverage range, diodes, waterproofing, durability, dimmability, and more to assist growers in better understanding the advantages and suitable applications of each lighting fixture.

1.600Watt LED grow light

600 watt led grow light

Octopus 640 is a 640W full spectrum foldable LED grow light for 4*4 tent growers

Top Quality LED Chips: 

Octopus 640 is built up with 2232pcs full top-bin OSRAM warm white, cool white, and red LED diodes.

High Light Output: 

The overall light output is up to 2.7 µmol/J and 1728 µmol/s. This high efficiency of electricity to light not only saves your bill but increases your yield at the same time.

Full Spectrum for VEG & FLOWER: 

The spectrum has been specially tuned with warm/cool white, 660nm deep red. The overall balance is dedicated to optimizing the whole growth cycle of your plants, delivering strong vegetative growth and high-yield flowering.

More Even Light Distribution: 

The Octopus 640 is made up of 6 LED bars each of which is 107 watts, it is able to deliver a more even light distribution in a 4ft x 4ft grow tent. The whole light is foldable and can be easily fixed by universal hanging after opening up.

0-100% Dimmable & Daisy Chain: 

With the VD-100 dimming controller, up to 50 light fixtures can be controlled at the same time, as well as to set up the on/off timing, sunrise/sunset transition.

Perfect for Tent Growers::

The Octopus 640 LED grow light is perfect for commercial growers using a vertical farming method, as well as home growers growing with grow tents, such as 5ftx5ft, 4ftx4ft. Easy to set up by universal hanging, then simply plug and play.


LED Diodes:2232 pcs, Full Osram

Spectrum: Full-spectrum(400-800nm) white with enhanced red

PPF (light output):1728 umol/s

PAR Efficacy:2.7 umol/J

Coverage area(grow rooms and grow tents):

Flowering footprint: 1.2 x 1.2 m, 4 x 4 ft

Vegetative footprint: 1.5 x 1.5 m, 5 x 5 ft


111.5 x 111 x 8.7 cm, 43.9 x 43.7 x 3.42 in

Recommended for:

Home grows (grow rooms, grow tents)

Soil, hydroponic, aeroponic, or aquaponic systems

Indoor farming or gardening

2.720watt led grow light LED

growers choice led 720

When choosing lighting for the cultivation of 4x4 tents, more growers choice led 720.

The 720W cannabis lamp is equipped with Samsung white light and 660nm deep red high-efficiency light source, and the driver is UL CE certified to ensure safety. It not only has IP65 waterproof characteristics, suitable for various environments, but also supports personalized optical design to meet various customization needs.


It has high efficiency, covers the PAR 400-700nm wavelength range, and has a high blue light ratio, close to spring daylight, ensuring balanced light throughout the plant's cycle.

High light efficiency deep red LED:

Reaching an efficiency of 3.6 umol/J, red light can promote the growth of leaf area and play a key role in the flowering stage of plants. Essential for photosynthesis and the flowering stage of plants.

Cannabis specific spectrum:

This cannabis grow light uses a cannabis-specific full spectrum, combined with 660nm red light, to provide plants with all necessary wavelengths to support healthy growth and abundant flowering, promoting high yields.


Ultra-high efficiency, with UL CE certification, ensuring long-lasting and efficient operation of LEDs.

Excellent heat dissipation performance:

The 720W cannabis light has a unique structure and uses AL6063 aluminum alloy radiator to ensure stable temperature and extend service life.

Waterproof design:

The overall light adopts waterproof technology and can adapt to normal humidity environments, so there is no need to worry about moisture intrusion.


Spectrum:Full Spectrum+660nm red light

Typical PPF:2088 μmol/s

Efficacy:2.9 μmol/J


Dimensions:113.4cm L x 100cm W x 8cm D

IP Rating: LED Bar IP65

Coverage area(grow rooms and grow tents):

Flowering footprint: 1.2 x 1.2 m, 4 x 4 ft

Vegetative footprint: 1.5 x 1.5 m, 5 x 5 ft

When choosing the best led light for 4x4 grow tent, whether it's a 600 watt led grow light or a 720W LED growth light, factors such as light intensity, coverage area, energy efficiency, and durability need to be carefully considered to provide an ideal growing environment for plants, resulting in higher yield and quality.

Related Articles more >

The best LED lights for hydroponic vegetables in 2024
Jul 18 , 2024

The best LED lights for hydroponic vegetables in 2024

In the process of growing vegetables, the role of light cannot be underestimated. In traditional agriculture, plants rely on sunlight for photosynthesis, but what should we do in indoor hydroponics? Obviously, artificial light sources must be relied upon to replace natural light. This guide explores why LED grow lights are ideal for hydroponic vegetables and recommends the best options for your needs.
The best grow lights for indoor hydroponics
Jul 17 , 2024

The best grow lights for indoor hydroponics

In the hydroponic cultivation of cannabis, choosing the right LED grow lights is critical. A high-quality grow light simulates natural light, maximizing plant growth efficiency. This guide explores key factors to consider when selecting grow lights and highlights the best options for indoor hydroponics.
How to increase the THC content of cannabis.
Jul 16 , 2024

How to increase the THC content of cannabis.

Have you ever wondered why the THC content of the cannabis you cultivate seems lower than others? Beyond genetic factors, improper cultivation techniques can significantly impact THC levels. To boost the THC content of your cannabis, consider the strain, light exposure, temperature, humidity, soil, and nutrients. This guide explores effective methods to enhance THC content, helping you achieve a more potent yield.