Flower Footprint: 3' x 3'
Optic LED GMax 300 Watt Dimmable LED Grow Lightt
The Optic LED GMax 300 Watt Dimmable LED Grow Light is a revolutionary new LED grow light that delivers the most advanced greenhouse experience on earth. From a single touch screen you get full control over multiple GMax grow lights so you can fine-tune your lighting system with programmable dimmers, spectrum control & auto sunrise settings. The GMax 300 Lighting System is fully versatile so you can grow any type of plants or crops at any stage in their life cycles and do it at the highest level of performance possible, especially with its programmable dimmer which allows you to control intensity levels anywhere during the day as well as through adjustable spectrum settings - providing everything from just enough light to heavy coverage depending on what's needed!
The GMax 300 features Samsung's newest horticulture LED technology, with the new V2 LH351H Deep Red LEDs (3.75 umols/J) which weren’t expected to hit the mainstream market until 2022, LM301H Royal Blue and LM301H full spectrum White light LEDs. This incredible LED grow light offers a more natural light source than many current spectrum lights while still giving your plants the nutrients they need from light for optimum growth!
NEW! Samsung LH351H v2 660nm Deep Red LEDs- 3.75 umols/J
Flower (1 unit)
Flower (2 units)
- 4' x 4' area (1.2m x 1.2m)
- Flower: 10"-24"
Veg: 24" - 30" (@ 50% Power)
- Seedling: 24" (Dimmed Down @ 35%)
Pro Tips: Wk1-3 @20"-30" - Wk4-6 @18"-24" - Wk7-10 @12"-15"
- Dimmers: 2
- Dimmability: 0% - 100%
Dimmer#1 - Deep RED, UV, IR & Warm White LEDs
Dimmer#2 - Royal Blue & Cool White LEDs
- LEDs: 780 Total
744 Samsung LM301H Horticulture series 3500k
- 24 Samsung LH351H V2 660nm Deep Red LEDs
- 8 Samsung LH351H 450nm Royal Blues LEDs
- 2 IR and 2 UV LEDs
- Samsung LM301H White LEDs: 120 Degree Primary Lens
- LH351H V2 660nm Deep Reds: 120 Degree Wide Beam Primary Lens
- LH351H 450nm Royal Blues: 120 Degree Wide Beam Primary Lens
- Meanwell HBG Series Driver
Full Spectrum White Light 3500k (Mixed White Light LEDs) (Full Power on 2 dimmers)
+ 660nm Deep RED + 450nm Royal Blue + ultraviolet + Infrared
PPFD Slim GMax 300
(Tested with Apogee MQ-500 meter in 3x3 / .9m x .9m Tent)
10" Hanging Height PPFD: 1,085
18" Hanging Height PPFD
Vertical PAR OutPut
GMAX 300 Features
- HID/HPS Equivalent: 600w HPS
- Kelvin: 3500K DayLight White
- IP Rating: IP65 Waterproof - Green House Rated
- PAR Efficacy: 3.0 umols/j
- PPF : 2,903 umols
- Master Controller: Compatible with Touch Screen Master Controller (2 ports)
- Actual Power Draw: 300 Watts
- LEDs per Watt: 2.6
- Amps: 3 Amps at 120v (1.5Amp @240v)
- Lifetime: 100,000 Hours+
- Warranty: 10 Years full warranty - Lifetime warranty on Meanwell Driver
- Release Date: August 2021
- Shipping: Free Shipping to 30+ countries
- Light Fixtures: GMAX 300
- Cables: 6 Foot power cord, rope ratchets and cables included.
- Plug: USA, CANADA, EURO, Commercial, Industrial, etc.
- Dimming: 0-100% Dimming Capabilities (Dimmer Included)
- Dimensions: 22" x 4.5" x 6"
- Fixture Weight: 12lbs
- Shipping Weight: 14lbs
- Grams Per Watt: up to 2.8
- Yield: Up to 840 grams / 30 oz / 1.87lbs
- Hanger: Comes with adjustable rope ratchets.
- Recommended for: Closet Grow, Cabinet Grow & Grow Tents. & Green Houses
Optic LED GMax 300 Specifications
||3' x 3'
22" x 4.5" x 6"
This product is available for FREE international/worldwide shipping.
Please call us at 800-856-7140, or fill out the form here.
Items shipped international from the USA may have VAT, duties, taxes, and/or local charges due upon delivery.
These charges are the responsibility of the customer and not Rightbud.
Warranty & Return Policy
10 Year industry Best Warranty is a good indicator of the quality of these Optic LED Grow Light Fixtures. Optic LED fully stands behind their high quality LED Grow Lights and guarantees to keep them performing great for you 10 years or longer! Optic LEDs are engineered with industry best components including USA Made CREE LEDS, Samsung LEDs, Meanwell Drivers and massively overbuilt heatsinks for passive cooling. Optic LED last years longer than other LED Grow Lights and also maintain their value better as they are backed with the more robust warranty coverage.
We are so confident in our commercial grade Optic LED Grow Light products that we back them with the industry's first 10 year Warranty. Optic LEDs are engineered with plug and play connectors on all of the components to make it easy for any grower to simply plug in a new part to fix their light. Growers need to be able to keep their lights in their gardens so by having a part sent directly to them which they can easily plug in, keeps them for having to pay to ship the light in for repair and avoid costly down time.
Optic LED growers love that we have the warranty parts right on our website for free so existing customers can order a part for their light at any time and of course free of cost. Most parts ship-out with a 2day USPS Priority mail shipment and the growers are able to have their light back to 100% within 2 day of ordering their part. If you need help finding out the problem you just email our team at WarrantyClaim@opticLEDGrowLights.com and we will direct you.
During the 10 year warranty period , Optic LED will support you to repair your Light fixture that is defective. Optic LED covers costs to send you the needed part needed to fix your light. You can order your free parts at any time just make sure it matches your original order name. Most parts also have a video that shows you how to "Plug in the Part". These lights are engineered with less than 10 different components so it makes it very easy to figure out the problem and plug in the new part.
To file a warranty claim contact us at firstname.lastname@example.org
What is NOT Covered
This 10 year warranty does not cover any damage, deterioration or malfunction resulting from any alteration, modification, improper or unreasonable use or maintenance, misuse, abuse, neglect, exposure to excess moisture or other acts of nature. This warranty does not cover any damage, deterioration or malfunction resulting from the modification of this product, any unauthorized tampering with this product.
How to make a Warranty Claim
In order to enforce the rights under this warranty, the original purchaser must notify Optic LED of a warranty claim by emailing Optic LED
- 2-4 pictures of the light, one of the sticker on the top of the light
- A video would be helpful if it makes it easier to show the problem
- brief description of the problem.
- the name you ordered under
- your current shipping address.
Where do I email my Warranty Claim information?
USA ORDERS: email@example.com
The Optic LED representative will request 2-3 photos showing defect and the light in its entirety so they can submit an official warranty claim. Its very important that we receive a picture that shows the defect up close but also pictures that show the light in its entirety. Once the claim is submitted with the correct photos a response back on the warranty claim will take 1-2 business days.
When the response comes back from your claim you will get a resolution plan to get your light back up and running at 100% in a timely manner. Our light is designed with all plug and play connectors so growers can easily plug in a new part if anything ever happens helping avoid costly down time or having to pay to send your light in for repair.
We are proud to offer FREE SHIPPING to all orders of $50 or more with a physical address (no P.O. Boxes) within the contiguous United States. That means everywhere in the United States besides Alaska, Hawaii, and Puerto Rico. If you live in one of these locations, please contact us for a shipping quote.
Please note: We process all website orders Monday - Friday, 7 am - 4 pm. If you placed an order over the weekend or after hours, it will not get processed until the next business day.
Price Match Guarantee
We work very hard to ensure that we offer the absolute lowest prices online.
That means that if you find any online retailer that has a lower price than us, just let us know, we'll match the price!
Additionally, if you find another online store that offers a lower price than us within 30 days of your original purchase date, let us know and we'll refund the difference, no questions asked!