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Having trouble choosing a grow light? Check out our article - What is the best grow light for your needs? It covers all the main factors you need to consider.

Optic GMax 300 Dimmable LED Grow Light

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$420.00 $599.00

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  • Financing Available via PayPal Credit. Details and instructions here.
  • This product ships FREE to the US and Canada!
  • All orders ship DISCREETLY within 2 business days.

 GMax 300 delivers the most advanced Green House LED Grow Light Experience on the Planet. 1 Touch Screen gives you full control over multiple GMAX Lights so you can fine tune your lighting system with the Programmable Dimmers, Spectrum Control & Auto Sunrise. Your Gmax 300 Lighting System is fully versatile to grow any type of plants or Crops at any stage in their life cycles and do it at the highest level of performance possible between the Programmable Dimmers so you can set any level light intensity for any point during the day & Spectrum Controls.

GMax 300 is Equipped with the Latest in Horticulture LED Technology from Samsung with their new V2 LH351H  Deep Red LEDs (3.75 umols/J) which weren't expected to hit the mainstream until 2022, LH351H Royal Blue LEDs  and the LM301H full spectrum White light LEDs. GMax 300 sets the new standard for greenhouse style LED Grow Lights with Double Dimmer Spectrum Control and Controller Ports so you can control all of your lights together from 1 touchscreen and showcase the Auto Sunrise in your grow space.

 

NEW! Samsung LH351H v2 660nm Deep Red LEDs- 3.75 umols/J

                         

253-881-1355 or inquire at Sales@OpticLEDGrowLights.com

 

Coverage Footprint:

Flower:

1 Unit                                                

3' x 3' area (.9m x .9m)    

2' x 4' area (.6m x 1.2m)

                

2 Units                                               

4' x 4' area (1.2m x 1.2m)    

Hanging Height : 

Flower: 10"-24"    

Pro Tips: Wk1-3 @20"-30"  -  Wk4-6 @18"-24"  - Wk7-10 @12"-15" 

Veg: 24" - 30"    (@ 50% Power)

Seedling: 24" (Dimmed Down @ 35%)

Dimmers : 2

Dimmability: 0% - 100%

Dimmer#1 - Deep RED, UV, IR & Warm White LEDs


 

Dimmer#2 - Royal Blue & Cool White LEDs

 

Gmax 300 Components: 

LEDs: 780 Total

White LEDs: 

 744 Samsung LM301H Horticulture series 3500k  

Bloom Enhancers:

- 24 Samsung LH351H V2 660nm Deep Red LEDs -

- 8 Samsung LH351H 450nm Royal Blues LEDs - 

- 2 IR and 2 UV LEDs

Optics : 

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 

Driver: Meanwell HBG Series Driver

(Built into a Optic Vented Driver Case with Dimmers & Controller Ports)

Thermal management: Passively Cooled

Spectrum:  

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: 

 

Videos: 

 

 

Pictures:

Gmax300 in 2x4 tent                             

Optic GMax 300 Specs

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
Light Fixtures GMAX 300
Cables 6 Foot power cord, rope ratchets and cables included
Plug USA, CANADA, EURO, Commercial, Industrial, etc. (We automatically ship the correct cord for your country)
Dimming 0-100% Dimming Capabilities (Dimmer Included) (Works with external touchscreen Master Controller)
Dimensions 22" x 4.5" x 6"
Fixture Weight 12 lbs
Shipping Weight 14 lbs
Grams Per Watt up to 2.8
Yield Up to 840 grams / 30 oz / 1.87lbs
Hanger Comes with adjustable rope ratchets
Shipping Weight 40 lbs
Recommended for Closet Grow, Cabinet Grow & Grow Tents. & Green Houses

  • Free shipping on all orders over $175 in the continental US and internationally for select brands.
  • Estimated Arrival: Between Sep 20 and Sep 27.
  • Tracking info will be provided (via email) within 24 hours of shipment.
  • Easy returns for up to 90 days, depending on brand.
  • Our shipping and returns page has more details, including return info for individual brands.

Warranty Information

This Optic LED grow light comes with a 10 year manufacturer's warranty.

You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.

 

10 Reasons to Trust Us With Your Business

  1. Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
  2. Full Warranties and Generous Return Policies. We only carry top American brands that back their products with full warranties and return policies of up to 90 days, depending on the brand (details at the bottom of this page).
  3. Price Match. We want you to be absolutely secure that you're getting the best price with us, so we will not only match a lower price you find online before purchase, but will even refund you the difference up to a month after purchase (details here).
  4. Discreet Insured Shipping. All orders ship via FedEx, UPS, DHL, USPS, or a reputable freight company and the shipment is always insured, so you do not have to worry about a lost or damaged package. You also don't need to worry about prying eyes: all orders ship discreetly.
  5. Hassle-Free Returns. We always adhere to the manufacturers' return policies (details on each manufacturer at the bottom of this page).
  6. Free Shipping on orders over $175 to the lower 48 states.
  7. No Sales Tax Anywhere, except NJ, and CA for some brands.
  8. Authorized Dealers. We only carry American brands whose lights and other products have been extensively tested by real growers and processors. 100% US warranty on all products.
  9. Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, as well as rosin presses and bud trimming machines, to help you find the perfect light or press for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
  10. Safe & Secure Systems in place for every payment transaction.

 GMax 300 delivers the most advanced Green House LED Grow Light Experience on the Planet. 1 Touch Screen gives you full control over multiple GMAX Lights so you can fine tune your lighting system with the Programmable Dimmers, Spectrum Control & Auto Sunrise. Your Gmax 300 Lighting System is fully versatile to grow any type of plants or Crops at any stage in their life cycles and do it at the highest level of performance possible between the Programmable Dimmers so you can set any level light intensity for any point during the day & Spectrum Controls.

GMax 300 is Equipped with the Latest in Horticulture LED Technology from Samsung with their new V2 LH351H  Deep Red LEDs (3.75 umols/J) which weren't expected to hit the mainstream until 2022, LH351H Royal Blue LEDs  and the LM301H full spectrum White light LEDs. GMax 300 sets the new standard for greenhouse style LED Grow Lights with Double Dimmer Spectrum Control and Controller Ports so you can control all of your lights together from 1 touchscreen and showcase the Auto Sunrise in your grow space.

 

NEW! Samsung LH351H v2 660nm Deep Red LEDs- 3.75 umols/J

                         

253-881-1355 or inquire at Sales@OpticLEDGrowLights.com

 

Coverage Footprint:

Flower:

1 Unit                                                

3' x 3' area (.9m x .9m)    

2' x 4' area (.6m x 1.2m)

                

2 Units                                               

4' x 4' area (1.2m x 1.2m)    

Hanging Height : 

Flower: 10"-24"    

Pro Tips: Wk1-3 @20"-30"  -  Wk4-6 @18"-24"  - Wk7-10 @12"-15" 

Veg: 24" - 30"    (@ 50% Power)

Seedling: 24" (Dimmed Down @ 35%)

Dimmers : 2

Dimmability: 0% - 100%

Dimmer#1 - Deep RED, UV, IR & Warm White LEDs


 

Dimmer#2 - Royal Blue & Cool White LEDs

 

Gmax 300 Components: 

LEDs: 780 Total

White LEDs: 

 744 Samsung LM301H Horticulture series 3500k  

Bloom Enhancers:

- 24 Samsung LH351H V2 660nm Deep Red LEDs -

- 8 Samsung LH351H 450nm Royal Blues LEDs - 

- 2 IR and 2 UV LEDs

Optics : 

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 

Driver: Meanwell HBG Series Driver

(Built into a Optic Vented Driver Case with Dimmers & Controller Ports)

Thermal management: Passively Cooled

Spectrum:  

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: 

 

Videos: 

 

 

Pictures:

Gmax300 in 2x4 tent                             

Optic GMax 300 Specs

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
Light Fixtures GMAX 300
Cables 6 Foot power cord, rope ratchets and cables included
Plug USA, CANADA, EURO, Commercial, Industrial, etc. (We automatically ship the correct cord for your country)
Dimming 0-100% Dimming Capabilities (Dimmer Included) (Works with external touchscreen Master Controller)
Dimensions 22" x 4.5" x 6"
Fixture Weight 12 lbs
Shipping Weight 14 lbs
Grams Per Watt up to 2.8
Yield Up to 840 grams / 30 oz / 1.87lbs
Hanger Comes with adjustable rope ratchets
Shipping Weight 40 lbs
Recommended for Closet Grow, Cabinet Grow & Grow Tents. & Green Houses

  • Free shipping on all orders over $175 in the continental US and internationally for select brands.
  • Estimated Arrival: Between Sep 20 and Sep 27.
  • Tracking info will be provided (via email) within 24 hours of shipment.
  • Easy returns for up to 90 days, depending on brand.
  • Our shipping and returns page has more details, including return info for individual brands.

Warranty Information

This Optic LED grow light comes with a 10 year manufacturer's warranty.

You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.

 

10 Reasons to Trust Us With Your Business

  1. Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
  2. Full Warranties and Generous Return Policies. We only carry top American brands that back their products with full warranties and return policies of up to 90 days, depending on the brand (details at the bottom of this page).
  3. Price Match. We want you to be absolutely secure that you're getting the best price with us, so we will not only match a lower price you find online before purchase, but will even refund you the difference up to a month after purchase (details here).
  4. Discreet Insured Shipping. All orders ship via FedEx, UPS, DHL, USPS, or a reputable freight company and the shipment is always insured, so you do not have to worry about a lost or damaged package. You also don't need to worry about prying eyes: all orders ship discreetly.
  5. Hassle-Free Returns. We always adhere to the manufacturers' return policies (details on each manufacturer at the bottom of this page).
  6. Free Shipping on orders over $175 to the lower 48 states.
  7. No Sales Tax Anywhere, except NJ, and CA for some brands.
  8. Authorized Dealers. We only carry American brands whose lights and other products have been extensively tested by real growers and processors. 100% US warranty on all products.
  9. Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, as well as rosin presses and bud trimming machines, to help you find the perfect light or press for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
  10. Safe & Secure Systems in place for every payment transaction.

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