D-D 36 Inch 39W Actinic+ T5HO Fluorescent Bulb

Write a Review

In Stock: Order by 2PM EST for same-day shipping (M-F)

This item is in stock in our East and West Coast warehouses

$20.99 $32.99
You Save: $12.00 (36%)


Add to Wishlist


D-D The Aquarium Solution

A special 60:40 combination of deep blue and actinic wavelengths.

It is specifically designed for marine aquariums mimicking deeper water.

Suitable for salt water. A mixture of 40% Actinic and 60% Blue, it emits levels of actinic as well as a blue spectrum. It will make even the drabbest corals stand out by producing levels of fluorescence.

Great when used with 10k or 6500k metal halide lamps to encourage bluing in SPS. 450nm peak is similar to Radium Blue metal halide lamps. Other preferred ratios include 1:1 with Sun Lamps, or 2:1:1 Sun/Blue/Actinic for best blend of bluing and fluorescence.


  • T-5 Diameter High Output Lamp
  • Blue Spectrum Peaks at 450 nm
  • Supplementation Lamp encourages blueing in SPS coral, minor fluorescing.
  • Type: Actinic+
  • Watt: 39
  • Length (including pins): 34"
  • Kelvin Temp: Blue
Actinic Plus Spectrum
Available Colors:

Actinic+:A special 60/40 combination of deep blue and actinic wavelengths emits levels of actinic as well as a blue spectrum. Suitable for saltwater and reef aquariums. Color Temperature: Blue

AquaBlue+:A 60/40 white/blue blend. Specifically developed for growing SPS corals. Suitable for saltwater, reef and freshwater aquariums. Color Temperature: 11,000k

AquaFlora:The perfect light spectrum for lush plant growth. Specially designed for freshwater use. Highlights the red and blue colors of your fish. Suitable for freshwater aquariums.

AquaPink:Specially designed for marine use. It brings out the blue, violet and red colors in your SPS and fish whilst enhancing coral growth. Suitable for saltwater and reef aquariums.

Midday:The D-D Midday 6000 T5 bulbs have full a 5 point spectrum and 6000K color temperature which recreates natural sunlight. Suitable for salt water, fresh water, reef and fish only aquariums. Color Temperature: 6000K

Pure Actinic:A complete pure actinic spectrum for maximum fluorescence from your corals. Suitable for saltwater and reef aquariums. Color Temperature: Actinic.

Bulb Replacement Guide
Bulb Types Life of Bulb*
Normal Output Fluorescent 6-12 months
Very High Output (VHO) 6-12 months
Power Compact (PC) 9-12 months
T5 High Output (T5HO) 9-18 months
Metal Halide 9-12 months
LED (non-moonlight) ~5 years (50,000 hours)
* Manufacturer Recommendations
All fluorescent bulbs have a 30-day warranty.

Product Manuals & Documentation

D-D 36 Inch 39W Actinic+ T5HO Fluorescent Bulb

Additional Info 1 available for download in Adobe PDF file format

Manufacturer Info

D-D The Aquarium Solution
D-D The Aquarium Solution supplies freshwater and saltwater aquarists with high-quality products from Deltec, Rowa and Giesemann. The company only develops and introduces products to the aquarium marketplace that are technically innovative and that they themselves have tested and know will work. The company`s Managing Director, David Saxby, is known throughout the world as being at the forefront of modern reefkeeping and his 3,700 gallon home aquarium system has appeared on television and in many books. David formed D-D to bring his own personal experience of which products worked for him to the mass market and to dispel the myths and witchcraft that abound within the hobby. The success of D-D`s partnerships with companies such as Deltec, Rowa and Giesemann plus the development of a wide range of their own products has seen the company grow well beyond that original idea to become one of the most successful companies of its type in the marketplace today.


Manufacturer Warrant: 30-day warranty

Do you have experience with D-D Actinic+ T5HO Fluorescent Bulb?

Write a Review