SunBlaster T5HO 6400K w/NanoTech Reflector – 54W 4 Foot

The SunBlaster T5HO 6400K w/NanoTech Reflector is a self-contained 54W, 4-foot fluorescent grow light combo designed for seedlings, cuttings, and vegetative growth. It ships as a complete kit — ballast, lamp, power cord, mounting hardware, and NanoTech reflector included — so you can hang it and plug it in without sourcing additional components. The NanoTech reflector redistributes light that would otherwise be absorbed by the fixture, delivering up to 48% more usable light to the plant canopy without drawing any extra power.

SunBlaster T5HO 6400K NanoTech Reflector Specifications

The following specifications apply to the 54W 4-foot combo (SKU SL0900304). The 54W power draw and 4-foot tube length are drawn from the product title; combo contents and electrical characteristics are stated in manufacturer documentation covering the full T5HO Combo line.

Specification	Value
SKU	SL0900304
Power Consumption	54 Watts
Tube Length	4 feet (48 inches)
Color Temperature	6400 Kelvin
Input Voltage	110–130V
Weight	1.50 lb
NanoTech Light Output Increase	Up to 48% (no additional power)
Kit Contents	T5HO electronic ballast, 6400K lamp, power cord with on/off switch, jumper plug, hanging clips, flat surface mounting clips, NanoTech T5 Reflector

Why Choose the SunBlaster T5HO 6400K w/NanoTech Reflector

The SunBlaster T5HO NanoTech combo is a practical choice for growers who want a complete, ready-to-use T5 lighting solution without assembling components separately. Here is what differentiates it from a bare T5 fixture:

• NanoTech Reflector increases light output up to 48% without extra power. The reflector redirects light that would normally be absorbed by the ballast and lamp housing back down into the canopy. For a fixed 54W draw, you get substantially more photons reaching the plants than a standard T5 fixture provides.
• Heat is reflected away from the lamp and ballast. By redirecting radiated heat that would otherwise accumulate around the tube and electronics, the NanoTech reflector helps reduce operating temperature. Lower temperatures at the ballast and lamp can contribute to longer service life for both components.
• Everything ships in one box. The combo includes the T5HO electronic ballast, a 6400K lamp, a power cord with an on/off switch, a jumper plug for daisy-chaining, and both hanging and flat surface mounting clips. There are no additional purchases needed to get the light running.
• Wide light spread penetrates deeper into foliage. The NanoTech reflector geometry spreads light wider across the plant canopy and directs it into lower leaf layers that a standard reflector would miss, reducing shadow zones in dense vegetative growth.
• 6400K spectrum targets vegetative growth. The cool, blue-spectrum 6400K output is well-suited to the propagation and vegetative phases, encouraging compact, leafy growth rather than early flowering.

Best Uses for the SunBlaster T5HO 6400K NanoTech Reflector

This fixture is intended for indoor controlled-environment growing applications where moderate intensity, full-length T5 fluorescent coverage is appropriate. The following use cases align with the product’s 54W output, 4-foot format, 6400K spectrum, and the combo’s compact, lightweight construction:

• Seedling and propagation trays. The 4-foot tube spans a standard 1020 propagation flat, and the moderate 54W output avoids bleaching tender seedlings and fresh cuttings. Position the fixture close to the tray during germination for even coverage. If you are also running a heated propagation setup, the Super Sprouter Premium Heated Propagation Kit with T5 Light is a comparable integrated option to consider.
• Vegetative growth in small to mid-size grow spaces. A single 54W 4-foot unit provides enough light intensity for low-growing vegetative crops in spaces up to approximately 2–4 square feet directly under the fixture. Multiple units can be daisy-chained using the included jumper plug to scale coverage across a longer bench or shelf.
• Supplemental side or under-canopy lighting. The slim T5 profile and mounting clips allow growers to attach the fixture to the side walls or underside of shelving to provide supplemental light to lower canopy layers that overhead LEDs or HPS fixtures do not adequately reach.
• Mother plant maintenance. Keeping mother plants in vegetative state under 6400K T5 lighting is a common practice in clone-heavy operations. The cool spectrum discourages premature flowering while the 4-foot tube length covers an entire row of pots on a standard shelf.
• Cloning chambers and humidity domes. The low heat output relative to HID sources makes T5HO fixtures a reliable choice inside or directly above humidity domes, where excessive heat would harm unrooted cuttings.

SunBlaster T5HO NanoTech vs Similar T5 Fixtures

The SunBlaster T5HO NanoTech combo occupies a specific position among 4-foot T5 options: it is a single-tube self-contained unit with an integrated high-efficiency reflector, sold as a complete kit. The main trade-off comparisons a grower should consider are:

vs. a bare 4-tube T5 fixture (such as the T5 Designer 4-Foot 4-Tube Fixture with Bulbs): A 4-lamp T5 fixture provides substantially more total light output and covers a wider footprint — better suited for a dedicated vegetative chamber or propagation room where you need to light a full bench. The SunBlaster NanoTech combo is a better fit when you need one portable, lightweight unit for a shelf, a propagation tray, or a supplemental light position.

vs. a standard single-tube T5 fixture without a NanoTech reflector: A bare T5 single-tube fixture at 54W delivers the raw lamp lumens without reflector optimization. The SunBlaster NanoTech reflector is stated to increase usable light output by up to 48% and to reduce heat accumulation at the lamp — making the combo more efficient per watt than a standard reflector housing at the same power draw.

vs. compact LED bar lights for propagation: Modern LED bar lights offer long-term power savings and run cooler. Entry-level LED propagation bars are available at similar price points. T5 fixtures like the SunBlaster combo have a lower upfront cost in many cases and a familiar spectrum profile that many propagation growers prefer.

Compatibility & Operating Range

The SunBlaster T5HO 6400K NanoTech Reflector combo is designed for standard North American indoor growing environments. The following compatibility notes are drawn from the manufacturer’s combo description and electrical specifications:

• Voltage: 110–130V AC. The unit plugs into a standard grounded 120V household or grow room outlet. It is not rated for 240V operation without an appropriate step-down transformer.
• Daisy-chaining: The included jumper plug allows multiple SunBlaster T5HO units to be linked end-to-end on a single circuit. Ensure the total wattage of daisy-chained units does not exceed your circuit breaker’s safe load capacity (typically 80% of rated amperage).
• Mounting options: Both hanging clips and flat surface mounting clips are included, making the fixture compatible with wire shelving, grow tent bars, overhead cable systems, or direct ceiling/shelf attachment.
• Lamp replacement: The fixture is designed for T5HO 4-foot replacement lamps. SunBlaster produces compatible replacement lamps at 6400K (vegetative/propagation) and 2700K (flowering). Third-party T5HO 4-foot lamps with a G5 bi-pin base are also physically compatible, though SunBlaster’s NanoTech reflector geometry is optimized for SunBlaster lamps.
• Timer and controller compatibility: The power cord’s on/off switch allows manual control; the unit is also compatible with standard 120V lighting timers for automated photoperiods. It is not designed for use with high-voltage ballast controllers or dimmer-type lighting controllers.

Usage Guidelines

The following guidelines cover mounting height, photoperiod, and coverage for the SunBlaster T5HO 6400K combo. These are general recommendations for T5HO fluorescent fixtures at the 54W, 4-foot scale based on the product’s stated characteristics and standard T5 practice:

• Seedlings and cuttings: Hang 2–4 inches above the tray or dome. At this distance, the wide spread of the NanoTech reflector provides even coverage across a full 1020 flat. Raise the fixture as seedlings stretch upward to maintain even light distribution and avoid heat stress.
• Vegetative plants: Maintain 4–8 inches above the canopy for established vegetative plants. The fixture’s geometry spreads light to surrounding foliage, so exact height may need adjustment based on how wide the canopy is relative to the 4-foot tube length.
• Photoperiod: For vegetative growth and propagation, run 18 hours on / 6 hours off or continuous light (24/0). For mother plants, 18/6 is the standard maintenance schedule. Use the included on/off switch or an external timer to automate the cycle.
• Daisy-chaining: The jumper plug allows multiple units to be connected in series. When chaining fixtures, keep the total load within the circuit’s safe capacity and verify all connection points are fully seated before powering on.
• Lamp replacement schedule: T5HO lamps maintain output over time but do gradually depreciate. For propagation-critical applications, replacing the lamp annually or at approximately 10,000–12,000 hours of use helps maintain consistent output, particularly at the blue end of the spectrum that 6400K lamps provide.

How to Set Up the SunBlaster T5HO NanoTech Combo

The combo ships with all components required for immediate use. Setup typically takes under 10 minutes:

1. Unbox and inspect. Confirm the box contains: the fixture with NanoTech reflector attached, the 6400K T5HO lamp, the power cord with on/off switch, the jumper plug, and both hanging and flat surface mounting clips.
2. Install the lamp. Insert the T5HO 6400K lamp into the lamp sockets at each end of the fixture. Rotate the lamp until it locks into the bi-pin holders. The lamp should seat flush against the reflector channel.
3. Attach the power cord. Connect the power cord to the cord inlet on the fixture. The cord includes an in-line on/off switch.
4. Choose and attach mounting hardware. For hanging: attach the hanging clips to the fixture’s end caps and run rope or chain through the clip loops, suspending the fixture at the appropriate height above your canopy. For shelf mounting: press the flat surface clips onto the fixture and secure to a shelf edge or wire grid.
5. Position the fixture. Hang or mount the fixture at the recommended height for your plants’ growth stage (see Usage Guidelines above).
6. Connect to power. Plug the power cord into a grounded 120V outlet or lighting timer. Use the in-line switch to power on. The lamp should illuminate immediately; if it does not, reseat the lamp in its sockets.
7. Daisy-chain additional units (if needed). Insert the jumper plug into the fixture’s jumper port and connect the next unit’s power cord input to the jumper. Repeat for additional fixtures, staying within your circuit’s rated load.

Sources & Further Reading