• 888-815-9763 Sales & Support Mon - Fri, 8am - 5pm PST. Instagram Facebook Twitter Google + Youtube


Complete Grow Tent Packages

Complete Grow Tent Packages

Start growing indoors today!

Complete Nutrient Packages

Complete Nutrient Packages

From beginner packages to advanced!

March Nutrients

Fabric Pot Blowout Sale

Gro Pro Fabric Pots on sale now!

Hydrobuilder Learning Center

Expert growing advice and tips!


Quantum T5 4' HO 6500K Bulb, Case of 8

Item #: BLB021

Be the first to review this product

Your Price:

In Stock

In stock items ship within 24 hours
FREE Shipping!

100% Discreet Shipping Price Match Guarantee The HB Difference

Warranties | Returns & Replacements

Quantum T5 4' HO 6500K Bulb, Case of 8

Additional Images


Product Documents


Quantum HO T5 bulb 6500K blue 4' (case of 8)

Quantum T5s are cool, really cool, they also keep a super-low profile. This allows the Quantum T5s to hang very close to the top of plants, bathing them with intense light without excess heat, which is ideal for maximizing plant growth and health.

  • HIGH OUTPUT Lamps: Triphosphor coated
  • 6500 Kelvin/4,752 lumens per lamp


Brand Quantum
Weight (lb.) 3.8
Length (in.) 49
Width (in.) 4.2
Height (in.) 4.2
Free Shipping Yes
Bulb Type T5
Bulb(s) Included? Yes
Color Temp (K) 6500K
Bulb Type Fluorescent Tube

Shipping Info:

Free Shipping

Ships Via FedEx/UPS

Questions about this product?
Contact us for advice or more details. Our product specialists are here to help.
Email an Expert
Report an issue on this page

Why Shop with Hydrobuilder?
We offer the best service and support in the industry. Your complete satisfaction is our goal.