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Growers Choice ROI-E720

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Growers Choice ROI-E720 Description

The Growers Choice ROI-E720 is a controllable LED light for plant propagation, vegetative growth and flowering. The ROI-E720 comes with a powerful 3000K broadband spectrum that is optimize for flowering, but can be used for any stage of full-cycle cultivation. The ROI-E720 can be paired with the Growers Choice Master Controller for the dynamic lighting control. The led light system comes standard with “BOOST MODE”, which can be used to increase the light fixture’s photosynthetic photon flux (PPF) output by an additional 200 micromoles per second (umols/s), increasing the PPF from 2050 umols/s versus the standard 1850 umols/s. This increase in light output is best used for applications where more light is desired, such as plant flowering.. This Growers Choice light fixture is known for safety, quality and performance, at an affordable price. The ROI-E720 the undeniable choice for professional cultivators who won’t settle for anything less than the best.

The ROI-E720 LED is the ideal option for for any gardening professional, from commercial cultivation to inexperienced growers.

Features & Benefits

  • This LED grow light is capable of 100%, 75%, 50% and 25% light output settings
  • The LED form factor comes with a fan-less design for efficient heat dissipation. More efficient heat dissipation allows professional cultivators to save more on HVAC loads
  • The GC-3k Full-Spectrum is a full-cycle grow light spectrum with additional 660nm deep red diodes from Osram
  • Operating temperature: -20°C to +45°C
  • Certifications: IP65-rated, Horticulture DLC-rated, and UL-listed with UL1598 and UL880 ratings

        growers choice roi e720 DLC listed      The Growers Choice roi e-720 is IP65-rated

ROI-E720 Light Output

Professional cultivators can expect the ultimate light output with the ROI-E720. Coming in at 1870 umol/s, this fixture already packs enough punch for full-cycle plant development, from propagation to flower. When paired with the Grower’s Choice Master Controller, you can setup your grow space for multiple sections, or complete a plant cycle in a single space by adjusting the ROI-E720 to increase in light output over the plant’s life. Commercial cultivators should be interested in the boost function to get a whopping 2080 umol/s to increase yields and improve plant health towards the end of production.


energy efficiency diagram

ROI-E720 Energy Efficiency

The ROI-E720 light is geared for professional cultivation by creating an energy efficient LED grow space at a low electricity cost. The LED light fixture uses 720W of power, creating an energy efficiency of 2.6 umols/J. Pairing with the Master Controller, you can dim your LED light system in the 120 to 277 Volts range so you can perfect your light output and power consumption for maximum return-on-investment.

The Growers Choice ROI E-720 saves 40% in energy savings & 40% in heating and cooling versus other top-rated LED grow light systems.

The ROI-E720 LED is IP-65 Rated

This IP65-rated LED fixture has an enclosure that protects against low pressure water jets from any direction, as well as condensation and water spray. This grow light is suitable for most grow rooms and greenhouses.

full cycle grow light spectrum

ROI-E720 Grow Light Spectrum Explained

This ROI-E720 comes with a full-cycle grow light spectrum for optimal use indoors. The Growers Choice 3000K Full-Phase Spectrum delivers adequate red, blue and green light, all within the PPF range, so that your plants receive all of the essential photons to grow big and healthy.

These LED grow lights emit the ultimate photon flux due to a higher ratio of broad-band LEDs. These lights are white in appearance, coming from the heavy mix of “green” light from the LED array.

These ROI-E720 fixtures will replace the sun in an indoor grow room to drive high yields and premium quality in any environment.

Light Uniformity: What it is and Why it’s Important for the ROI-E720

LED light fixture uniformity is all about providing even light distribution over your garden. Without good light uniformity, your LED grow lights will create “hot spots” where some plants get too much light, and the plants on the edges of your grow space don’t get enough.

As you can see below, the uniform light distribution of the ROI-E720 allows cultivators to deliver even light over their plant canopy at a hanging height that’s suitable for most indoor garden areas.

Professional cultivators will want to be cautious of hot spots when adjusting their hanging height for veg and propagation. The higher hang height will create a wider distribution of light, which may even out the distribution on the edges of your plant canopy, but some light may be lost to the aisles. In such a case, a lighting controller can be used to dim the light fixtures to get rid of the intense hot spot in the middle of the plant canopy.

light plan 2 for growers choice roi-e720 light plan for growers choice roi e720

Growers Choice ROI-E720 Spec Sheet

Growers Choice ROI-E720 Specs

ROI-E720 Specifications

Growers Choice ROI-E720 vs. Gavita 1700e LED Grow Light

The Growers Choice ROI-E720 and the Gavita 1700e LED grow light are both industry-leading lighting systems for commercial horticulture. Both lighting systems are close in performance, with some advantages to each.

For starters, the ROI-E720 clearly beats the Gavita fixture in light output with 1870 umol/s up to 2080 umol/s versus Gavita’s 1744 PPF. This boost in PPF for the Growers Choice light makes the ROI-E720 more desirable for professional cultivators focused on their flowering cycle in terms of light output. This boost in light output does come with a marginal decrease in lighting efficacy, but it’s too small to notice.

The IP-rating of the Gavita fixture is also slightly better than the GC ROI-E720, but both lights should be capable of handling rigorous cultivation spaces. It does make sense to note that if you will be spraying your environment down aggressively, you may want to consider this IP-rating more carefully.

Still, for the MSRP price point, it’s really no comparison. The Growers Choice ROI-E720 comes in less than ~$100 dollars per fixture, an good value for this level of quality and performance. The pricing gets even better at higher volumes, so for us it’s really a no brainer. If you want high quality performance at a low price, the ROI-E720 is the clear choice.


roi-e720 vs gavita


GC ROI-E720 Grow Light

Gavita 1700E Grow Light

Light Source: Osram LEDs Light Source: Samsung White & Osram Red LEDs
PPF: 1870 umol/s, up to 2080 umol/s PPF: 1744 umol/s
Input Power: 800 Watts + Control BOOST Input Power: 645 Watts
Efficacy: 2.6 umol/s Efficacy: 2.68 umol/s
Coverage: Veg: 6’x6′  Bloom: 5’x5′ Coverage: Veg: 6’x6′-7’x7′ Bloom: 4’x4′-5’x5′
Fixture Dimensions: 46.9″ x 46.8″ x 3.2″ Fixture Dimensions: 44.1″ x 43.7″ x 2.3″
Fixture Weight: 44 lb (20 kg) Fixture Weight: 28.4 lb (12.9 kg)
Certifications: IP65, UL8800, UL1598, DLC Certifications: UL8800, DLC, IP66, CSA C22
MSRP: ~$1,099 MSRP: ~$1,175

Why You Should Use the Growers Choice ROI-E720

The Growers Choice ROI-720 is hailed the most powerful light fixture in its class. Because the ROI-E720 is a vertical farming grow light, it is best to use this light fixture in regions where plant prices are high, where sunlight is not readily available, and where electricity is cheap.

The “ROI” in ROI-E720 stands for “Return-on-Investment”. So you know that you’ll be getting the highest light output at the lowest price with this light. The high return on investment comes both from the electrical efficiency, as well as the ability to install these grow lights in vertical plant racks, essentially doubling the yield capacity of your grow room.

Growing with the ROI-E720 vs. HPS grow lights, you’re sure to save loads of money on electricity, heating, cooling, and even water-use with the efficient LEDs versus HPS lamps.

photo of plants using vertical grow lights

How to Install the Growers Choice ROI-E720

It is important to follow the recommended hang height and coverage area when installing your ROI-E720 grow lights. The ROI-E720 is best installed in grow racks, but can also be hung from a grow room ceiling with cables if grow racks are not available.

Installing Your Grow Light for Plant Propagation: When installing your ROI-E720 fixture for plant propagation, we recommend that you pair your fixture with the Growers Choice Master Controller for better control over light output for starter plants. For plant propagation, install the Growers Choice ROI-E720, 48″ above the plant canopy for 7′ x7′ garden coverage.

Installing Your Grow Light for Plant Vegetation: Install the grow light 24″ above the plant canopy for 6′ x6′ garden coverage.

Installing Your Grow Light for Plant Flowering: Install the grow light 6″ to 12″ above the plant canopy for standard 5′ x5′ garden coverage.

We always recommend using certified or qualified installation professional to ensure optimal performance and safety. Warning: Do not handle the fixture using the LED bars as it can result damage to the light and performance. 

installation illustration for growers choice led grow light

How to Use the ROI-E720 with the Growers Choice Master Controller

With the Growers Choice digital lighting controller you can control up to 200 ROI-E720 LED fixtures by daisy chaining up to 100 light fixtures per grow space. The Master Controller features include: timed on/off switching, sunrise and sunset lighting automation, and precise temperature analytics with dual thermal probes and thermal-threshold auto dim-shutdown for additional protection of your ROI fixtures.

digital grow light controller      grow light digital screen


Growers Choice ROI-E720 Review

The GC ROI-E720 is a popular choice among commercial cultivators and inexperienced growers alike. The built-in boost mode, high light output, controllability, and decent IP-rating make this light fixture a good choice for any grow room owner who’s serious about high yields and plant quality. The ability to propagate and harvest plants in a single space makes this efficient fixture even easier to use for home growers or within grow tents, and can be daisy-chained for professional cultivation.

We recommend the Growers Choice ROI-E720 for any level of cultivation professional.


Growers Choice ROI-E720 Performance Test Results – ENGLISH
Growers Choice ROI-E720 PPFD Map – ENGLISH
Growers Choice ROI-E720 User’s Manual – ENGLISH

Watch the ROI-E720 in Action


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