Oceanpure™ Marine Salt
Helios® Lighting
Replacement Parts
 T5 Lighting Series
HO T5-IV Fixture
  • Euro size bulbs included: 11,000k Daylight and Super Blue
  • Sleek aluminum hood
  • 95% reflective parabolic reflector
  • Solid state electronic ballast
  • Moisture resistant endcaps
  • Fits all universal Euro size bulbs
  • High lumen output
  • On/Off switch with 6 ft. power cord
  • Cool operation
  • Modular
  • Specification
  • Model
  • Installation

“NDA” No Dark Area Helios®

Standard light fixtures that use standard American light bulbs available in the states are not made to illuminate the complete aquarium. In fact, a 24 in. bulb is used in a 36 in. aquarium kit thus 30% of the aquarium is without light. Helios® HO T5-IV Fixtures are custom tailored with Universal Euro size bulbs, meaning it lights your aquarium completely from end to end.

Item No. Fixture Size Fixture Dimension Standard
Bulb Size
Total Wattage UPC No.
HO T5IV 24 24 watt - 24 in. 24.25 x 5.25 x 2.25 in. 24w - 21 in. 2 x 24w 006903730617
HO T5IV 39 39 watt - 36 in. 36 x 5.25 x 2.25 in. 39w - 33 in. 2 x 39w 006903730624
HO T5IV 54 54 watt - 48 in. 48 x 5.25 x 2.25 in. 54w - 45 in. 2 x 54w 0069037730631
Item No. Fixture Size Fixture Dimension Standard
Bulb Size
Total Wattage UPC No.
HO T5IV 30 30 watt - 31 in. 30.75 x 5.25 x 2.25 in. 30wt - 28 in. 2 x 30w 00690372986 4
HO T5IV 80 80 watt - 60 in. 58.75 x 5.25 x 2.25 in. 80w - 57 in. 2 x 80w 00690372917 8
HO T5IV 105 105 watt - 73 in. 72.75 x 5.25 x 2.25 in. 105w - 70 in. 2 x 105w 00690372974 1


  1. Remove protective plastic from the reflector.
  2. The bulb may have shifted through shipping process. Therefore, verify the bulb pins are placed properly in the light bulb sockets.
  3. Confirm the silicone water resistant endcaps are installed properly. The endcaps should be completely over the light bulb socket.
  4. Insert the fixture legs into the tracks on the bottom of the fixture to elevate the hood above the aquarium - DO NOT PLACE OVER AN OPEN TOP AQUARIUM.
  5. Plug the unit directly into a G.F.C.I. outlet.



The T-joint brackets enable the fixture to be hung over the aquarium. Secure the cable to the T-joint brackets. Follow manufacturers guidelines for installation on the hanger.
Items required: T-joint brackets (sold separately).

  1. Slide the T-joint bracket into Track A on each side of the fixtures. Avoid any angles. Both hoods must be level and placed on a flat surface.
  2. The T-joint bracket must be positioned a minimum of 4” from the end of the fixture.
  3. NOTE: To hang the hood straight, both T-joint brackets must be the same distance from the end
    of the fixture. Handle with care!

For more information go to: T-joint Brackets


The Hanging Kit enable the fixture to be hung on the ceiling

For more information go to: Hanging Kit

Replace with Genuine Helios® Euro Size Bulbs

NOTE: Bulb must be replaced every 6 months for proper performance.
Bulb color available in: 11,000k Daylight, Ultra Spectrum Grow (USG), Actinic Blue O3, Super Blue, and Full Spectrum Day 90+ 6,700k. Sizes available: 24w/21in. , 39w/33in. , 54w/45in.

For more information go to: HO T5 Euro Size Replacement Bulbs

 HO T5 IV Fixture Instructions.
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