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
Increased yields with lower energy costs equal more profit
Our Phyto-Genesis Spectrum helps increase cannabinoid and terpene production with a truly-complete spectrum from UV to IR
The PhytoMAX-3 SP series has many options to choose from to perfectly fit your growing space
Running multiple lights on one outlet means less infrastructure- up to 20 amps on one outlet.
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.
3.3% ultraviolet (< 400nm) and 20% violet (400 - 450nm) light provides better canopy penetration; Photon Flux Efficacy (PBAR 280 - 800nm): 2.14 μmol/J
3.5 to 6+ pounds per light!
(Depending on strain, environment and growing skills)
|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)
|Photon Flux (μmol/s)|
|Dimming||0-10V, 15% - 100%|
|Product Dimensions||19" x 19" x 4.5"|
|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|
|Fans Expected Life||> 70,000 hours|
(14.77 x 14.77 ft)
(10.45 x 10.45 ft)
(8.53 x 8.53 ft)
(7.39 x 7.39 ft)
(6.61 x 6.61 ft)
(6.03 x 6.03 ft)
(5.58 x 5.58 ft)
(5.22 x 5.22 ft)
(4.92 x 4.92 ft)
(4.67 x 4.67 ft)
(4.45 x 4.45 ft)
(4.26 x 4.26 ft)
(4.10 x 4.10 ft)
(3.95 x 3.95 ft)
(3.81 x 3.81 ft)
(3.69 x 3.69 ft)
Select Spectral Range:
FAST, FREE SHIPPING ON ALL ORDERS TO THE CONTINENTAL US
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.
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.
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 firstname.lastname@example.org
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 HonestGrowSupply.com 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:
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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