🍃 Purchasing this item will earn you 1,249 Harvest Club points. Redeem points by registering.
If you find a price lower than ours, we'll match it! Learn more.
Have sensitive plants?
The Spectrum King 603 provides delicate plants with a tuned spectrum and intensity for them to grow.
Loaded with 641 watts of power, the SK603 can replace dual-ended 1000-watt HPS grow lights.
The SK603 covers the lighting needs of your plants throughout the growth cycle.
With a footprint of 8 x 8 feet for the vegetation phase and 5 x 5 feet for the flowering stage, you won’t need to swap grow lights in between.
Durability is not an issue with the SK603, as it is IP65-rated, making it perfect for wet and humid environments. It also features efficient heat management to lower room temperatures.
The SK603 comes with a three-year warranty.
The SK603 is tuned to provide the needs of plants that need extra care with lighting intensity.
For small grow rooms, the SK603 is all you need for your plants to grow correctly. With a 5 x 5 feet flowering and 8 x 8 feet vegetation footprint, you have all the light for a medium-scale garden.
With the IP65-rated water-resistant casing, the SK603 can withstand wet and humid environments.
Spectrum King LED products are warranted against defective materials and/or workmanship for 3 years on the light engine to retain 90% or better of its original light output and 5 years on all other materials and workmanship. In the event of defective materials and/or workmanship, Spectrum King LED will, without charge for parts or labor, repair or replace, at its option, the defective product within 30 days from receipt of the defective product during its prescribed warranty period. The customer is responsible for all return shipping costs.
The Warranty does not apply to damage resulting from improper care, misuse, abuse, normal wear and tear, or any obvious signs of tampering, which includes but is not limited to improper installation, improper use, and/or failure to provide reasonable and necessary maintenance, or improper packaging and shipping of the light back to Spectrum King LED, etc.
⚠️ Due to COVID-19, some products are under extended processing times. Processing times can span anywhere from 2 - 14 business days, sometimes longer. Learn more
To get the best representation of a product's lead time, email us at info@trimleaf.com or call us at 619-535-1834
Free Shipping
Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more
Refunds & Returns
Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more