Black Dog LED PhytoMAX-3 20SP LED Grow Light

Black Dog LEDSKU: BD0010012

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Power Cord Options: 120V - (NEMA 5-15P) 8 foot
Sale price$2,589.00

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Black Dog LED PhytoMAX-3 20SP Grow Lights

At 1020 actual watts and 2185 μmol/s total photobiological photon flux (PBF), the patented PhytoMAX-3 20SP LED grow lights are ideal for larger flowering spaces, delivering 3.5 to 6+ pounds of dried, cured, trimmed flower per light.

With PhytoMAX-3, we have delivered the most powerful and reliable, truly full-spectrum (350-750nm, UV to NIR PBAR) LED plant grow lights! The PhytoMAX-3 20SP uses only the highest-quality, latest-technology, top-bin LEDs to deliver Black Dog LED's proprietary full-cycle Phyto-Genesis Spectrum® evenly over the entire footprint, with unprecedented PAR levels, canopy penetration and yields!

Please note that the PhytoMAX-3 20SP is an incredibly powerful light; we would generally not recommend it for home growers in areas smaller than 4.5' x 4.5'. Please contact our customer service team with questions. (720) 420-1209 or send us a message here.

Recommended for full-cycle growth in tents / areas from 4.5' x 4.5' to 8' x 8'
Yields 3.5 to 6+ pounds per light



from Black Dog LED

Larger Yields

Even Larger Yields

Increased yields with lower energy costs equal more profit


Plant-Specific Spectrum

Our Phyto-Genesis Spectrum helps increase cannabinoid and terpene production with a truly-complete spectrum from UV to IR

More Options

More Options

The PhytoMAX-3 SP series has many options to choose from to perfectly fit your growing space

PhytoMAX-3 20SP Grow Lights Features:

Daisy Chain Compatible

Running multiple lights on one outlet means less infrastructure- up to 20 amps on one outlet.

Bigger Flowering Footprint

PhytoMAX-3 20SP has a larger area of coverage with up to 8' x 8' per light.


Dimmable from 15% - 100% with industry-standard 0-10V dimming controllers.

More Powerful Spectrum

3.3% ultraviolet (< 400nm) and 20% violet (400 - 450nm) light provides better canopy penetration; Photon Flux Efficacy (PBAR 280 - 800nm): 2.14 μmol/J

Bigger Yields

3.5 to 6+ pounds per light!

(Depending on strain, environment and growing skills)

PhytoMAX-3 20 SP


Photon Flux Efficacy 2.14 μmol/J PBAR (280-800nm)
Total Photon Flux 2185 μmol/s PBAR
Footprint Minimum Recommeded Area Maximum Recommended Area

5.5' x 5.5' (30.25 ft2)

10' x 10' (100 ft2)


4.5' x 4.5' (20.25 ft2)

8' x 8' (64 ft2)


Don’t be fooled by the imitations with their limitations.
Many lighting companies claim to offer UV and IR in their spectrum. The fact of the matter is the vast majority of the grow lights on the market have completely insignificant UV output.
Go BEYOND PARTM with our Phyto-Genesis spectrum. Our cannabis-targeted spectrum with 3.4% UV  and 4.9% IR give your plants increased cannabinoid content (+26%) including minor cannabinoids like CBC, CBN, THCv, and Delta 8. Our spectrum also gives you increased penetration and yield at more than double the industry standard, with 80 to over 120 grams per square foot.
PhytoMAX-3 24 SP

PhytoMAX-3 20SP Specifications

Photon Flux (μmol/s)
2185 73 2005 107

More Information
Units  Imperial
Dimming 0-10V, 15% - 100%
Product Dimensions 19" x 19" x 4.5"
Weight 42lb (19kg)
True Wattage 1020w
Certifications CE, FCC, RoHS
Mean Time Between Failure > 70,000 hours
Number of LEDs 560
Amp Draw 10.20A @ 100V
8.5A @ 120V
4.9A @ 208V
4.25A @ 240V
3.68A @ 277V
Standard Power Cord Length 8 feet
Power Cord Options NEMA 5-15, NEMA 6-15, NEMA 7-15, Pigtails
AC Voltage Range AC 100V~277V (50 / 60 Hz)
Power Factor > 0.98
Operation Temperature Range -4~104 °F
BTU 3478
Fans Expected Life > 70,000 hours

Photobiological Photon Flux Density (PBFD, 280-800nm)


PBFD Average
(μmol/m2/s, 280-800nm)
Coverage Area
100 218.23 ft2
(14.77 x 14.77 ft)
200 109.11 ft2
(10.45 x 10.45 ft)
300 72.74 ft2
(8.53 x 8.53 ft)
400 54.56 ft2
(7.39 x 7.39 ft)
500 43.65 ft2
(6.61 x 6.61 ft)
600 36.37 ft2
(6.03 x 6.03 ft)
700 31.18 ft2
(5.58 x 5.58 ft)
800 27.28 ft2
(5.22 x 5.22 ft)
900 24.25 ft2
(4.92 x 4.92 ft)
1000 21.82 ft2
(4.67 x 4.67 ft)
1100 19.84 ft2
(4.45 x 4.45 ft)
1200 18.19 ft2
(4.26 x 4.26 ft)
1300 16.79 ft2
(4.10 x 4.10 ft)
1400 15.59 ft2
(3.95 x 3.95 ft)
1500 14.55 ft2
(3.81 x 3.81 ft)
1600 13.64 ft2
(3.69 x 3.69 ft)

Select Spectral Range:



We offer standard free shipping within the Continental US. Free shipping to the lower 48 usually takes between 3 to 5 business days but you should allow 3 to 10 business days depending on carrier used and delivery location.

Order Confirmation:
As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.  As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.  If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.  If your item(s) are available, we will process the charges and submit the order for shipment.

Order Shipment:
If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order.  We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at

We work extremely hard to ensure that our customers receive the absolute best prices online. If you find another online store that offers a lower price than within 90 days of your purchase date, please let us know and we will happily refund your original payment for the difference.  

We want you to feel confident that you are getting the absolute best price.  If you find that our own website has a lower price for the same item you have ordered within 90 days of your purchase date we will refund the difference as well.

To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within 90 days from the date of your order and we will process the credit accordingly.

Our 100% Price Guarantee has some limitations:

  • You must purchase the item from our website before requesting your Price Match Guarantee
  • Promotions such as coupons, rebates, and buy one, get one free offers are not eligible
  • The item must be in stock on the competitors website
  • The competitor must be an online store, they may not have a retail location
  • The website can not be a discounter or auction website (ie; eBay, Overstock, etc..)
  • The competitor must be an Authorized Retailer of the product in question
  • The Price Guarantee includes the item price and the shipping charges, it excludes sales tax


If you are unsatisfied with any Black Dog LED light, you can return it for a refund within 90 days from the original purchase date. A Return Merchandise Authorization (RMA) must be requested and the product shipped within 90 days of the original date of receipt. Returns are limited to one (1) light per customer. All items must be returned in "as new" condition in the original packaging and include all accessories. Lights that have been broken, damaged, altered, or had the housing opened are not returnable. "Damaged" includes but is not limited to water damage and damage resulting from being dropped and/or incorrect electrical connection. Returns will be charged a 10% restocking fee. Shipping charges are non-refundable. We recommend using a carrier that has tracking capabilities when sending returns. The customer assumes responsibility for return shipping fees, insuring the return shipment, and filing any necessary claims for damaged or lost returns.

Black Dog LED 5 Year Warranty

Black Dog LED products are warranted against manufacturer defects to the original owner from the date of original purchase for the expected lifetime of the light. In the event of defective materials and/or workmanship, Black Dog Grow Technologies, Inc., will repair or replace, at its option, the defective product within 45 days from receipt of the defective product for the first three years after purchase. After three years and up to 5 years from the original date of purchase, the customer will be responsible for labor associated with repairs and Black Dog LED will be responsible for the cost of parts. After 5 years Black Dog LED will offer repair services or parts as long as parts are available; the cost of repairs and parts after 5 years are the sole responsibility of the customer. Shipping of the defective product to Black Dog LED is the sole responsibility of the customer. Return shipping of the repaired light is covered by Black Dog LED up to $50 per incident for the first three years after purchase. In the first three years after purchase, if return shipping will exceed $50, the customer will be notified and are responsible for paying any amount of shipping over $50 prior to the product being shipped back to the customer. After three years, the customer is responsible for paying for return shipping prior to the product being shipped back to the customer. The Warranty does not apply to damage resulting from, but not limited to, improper care, housings that have been opened, misuse, exposure to caustic or corrosive chemicals including but not limited to fumes caused by burning sulfur, or normal wear and tear, which includes but is not limited to 5% or less of LEDs not lighting, improper installation, and/or failure to provide reasonable and necessary maintenance, improperly packaging and shipping the light back to Black Dog LED, etc. Owners will be notified when repairs are completed, if the light is not claimed within 45 days of being notified the light will become the property of Black Dog LED.

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