VIVOSUN T5 324W Grow Lights
$149.99 price checked August 2026
If you require a UL certified fixture with a 2-year warranty, this is the one to price-check.
VIVOSUN T5 Lights Overview
The VIVOSUN T5 324W Grow Lights are for beginners needing a broad 4 ft.
Inconsistent lighting often leads to “dead zones” where plants fail to thrive because the light does not reach every leaf equally. Growers frequently struggle to find a balance between sufficient power and an affordable entry point for small indoor setups.
The VIVOSUN T5 324W Grow Lights resolve this by providing 30,000 Lumens of output across six HO fluorescent tubes. This high-output configuration ensures that the 4 ft. coverage area receives consistent illumination for steady growth.
We evaluated the VIVOSUN T5 324W Grow Lights against the other grow light options we compared in our full review. This analysis is for first-time buyers who need a reliable, high-output fixture for a small indoor garden.
If you need a more powerful setup, see our full Spider Farmer SF1000 review.
How Green Writer picked: we started from the 200 most-reviewed grow light listings in our retail dataset, removed duplicates, accessories and off-category products, and 89 qualified. This product is one of 15 from that pool chosen for a full review. Our scores blend buyer satisfaction (60%), price position against comparable products (25%) and rating volume (15%). Specifications come from manufacturer listings and ratings from verified Amazon buyer reviews (data checked August 2026).
The Short Answer on the VIVOSUN T5 Lights
Best for: you need a multi-tube fluorescent setup to provide consistent light for a 4 ft. coverage area.
The VIVOSUN T5 Lights are a practical choice at $149.99.
- Pro: The 6500K tubes provide a high-output 30,000 Lumens for 6 tubes.
- Pro: The reflective aluminum surface provides 95-97% reflectivity to maximize light distribution.
- Pro: This fixture includes a 2-year warranty on the fixture and a 1-year warranty on the bulbs.
- Con: The 324W output falls below the 900 µmol/m²/s threshold required for high-intensity flowering.
- Con: The HO fluorescent tubes lack the high-efficiency Samsung LM301H diodes used in industrial benchmarks.
Don’t buy this if: you require a fixture that meets the 900 µmol/m²/s PPFD threshold for large-scale fruit production.
Price assessment: The $149.99 price is fair for a multi-tube HO fluorescent system with a 2-year warranty.
Green Writer score: 7.2/10 (data-driven – see “How we picked” above)
Specifications in Full
| Light Source Type | T5 light |
| Wattage | 54 Watts |
| Brightness | 5000 Lumen |
| Color Temperature | 6500 Kelvin |
| Coverage Area | 4 ft. |
| Reflectivity | 95-97% |
| Bulb Life Rating | 20,000 hours |
| Certification | UL certified |
The 5000 Lumen brightness per 4 ft. tube is the primary spec for determining the light’s coverage capability for your plants.
Where this sits in the buyer data: Among the 89 products screened for this category, this one’s 3.9 rating places it #89, on 1,875 ratings – above the 456-rating median of that group, so the average rests on more feedback than most of its comparables. On price it undercuts 48 of them.
Before You Buy: VIVOSUN T5 Lights Checklist
The first thing to check is your grow space dimensions to ensure the 4 ft. coverage area aligns with your plant layout.
- ☐ Confirm your power supply can support a 324W load—the VIVOSUN T5 Lights require an 8′ grounded power cord.
- ☐ Measure your ceiling height—the 4 ft. tube coverage is designed for specific heights to avoid heat stress.
- ☐ Verify your mounting points—each corner has 2 hanging cables to support the fixture weight.
- ☐ Check your bulb replacement schedule—the 6500K fluorescent tubes have a 20,000 hours bulb life rating.
- ☐ Budget for maintenance—the fixture includes a 2-year warranty while the bulbs have a 1-year warranty.
You should not buy the VIVOSUN T5 Lights if you require a high-intensity flowering output exceeding the 900 µmol/m²/s threshold for large-scale commercial production.
What These Specifications Let You Do
High Reflectivity Surface
The VIVOSUN T5 324W Grow Lights feature a reflective aluminum surface with 95-97% reflectivity. This high percentage ensures that photons bounce back toward the plants rather than being absorbed by the fixture housing, maximizing the light reaching your canopy.
You can use this high reflectivity to minimize “dead zones” in your grow area. Because the surface reflects nearly all light, you can place the VIVOSUN T5 Lights closer to your plants to achieve a more uniform distribution of the 30,000 lumens across a 4 ft. area.
Durable Powder Coated Housing
The powder coated housing on the VIVOSUN T5 Lights provides a hard finish that resists wear and moisture. This allows you to maintain the fixture in humid growing environments where standard paint might chip or degrade over time.
The powder coating ensures the fixture maintains its structural integrity as you move or adjust it during different growth stages. You can rely on the housing to remain intact even when exposed to the high humidity levels common in indoor plant cultivation.
Extended Bulb Life Rating
The VIVOSUN T5 Lights include 6500K fluorescent tubes with a 20,000 hours bulb life rating. This rating indicates the tubes are designed to maintain their output over several years of consistent use, preventing the rapid dimming often seen in lower-quality high-output fluorescent bulbs.
You can rely on these tubes to provide consistent intensity for both early vegetative growth and the flowering stage. While the 30,000 lumens provide the necessary intensity for high-output production, the 20,000-hour rating ensures that the light output remains stable throughout the lifecycle of your crop.
How the VIVOSUN T5 Lights Compares to Alternatives
The VIVOSUN T5 Lights provide a specific advantage in bulb longevity, as the included 6500K fluorescent tubes are rated for 20,000 hours of use.
- The VIVOSUN T5 Lights cost the same price as the BLOOM PLUS XP2500 LED Grow Light, but the BLOOM PLUS uses 534pcs Samsung LM301B diodes for high energy efficiency.
- The VIVOSUN T5 Lights cost the same price as the VIVOSUN 600W LED Grow Light, though the 600W model features a daisy chain function.
- The VIVOSUN T5 Lights cost the same price as the EnFun FS-2000 LED Grow Light, while the EnFun model offers a 2.7 umol/j high energy efficiency rating.
- The VIVOSUN T5 Lights cost $0.88 more than the iPower GLSETX1000DHWING20T HPS Grow Light System.
- The VIVOSUN T5 Lights cost $0.99 more than the Horticulture Lighting Group HLG 100 V2.
- The Horticulture Lighting Group HLG 100 V2 holds a 4.5 rating, which is higher than the 3.9 rating of the VIVOSUN T5 Lights.
If you require high-efficiency diodes like the Samsung LM301H standard or high-intensity flowering output, you should choose the Horticulture Lighting Group HLG 100 V2 instead of the VIVOSUN T5 Lights.
The VIVOSUN T5 Lights use HO (High-Output) fluorescent tubes rather than the LED bars used by the other options in our comparison. While LED bars like the BLOOM PLUS XP2500 provide specific diode counts, the VIVOSUN T5 Lights provide up to 30,000 Lumens across 6 tubes. Because the data does not list the PPFD for these fluorescent tubes, you should check the manufacturer’s light distribution map to ensure it meets your specific canopy requirements.
For a smaller footprint, look at our full MARS HYDRO FC-E1500 review.
VIVOSUN T5 Lights Buying Questions Answered
How much will it cost to run the VIVOSUN T5 324W Grow Lights all day?
Running the VIVOSUN T5 Lights 24 hours a day depends on your local electricity rates, as the 324W power draw is the primary driver of cost.
What is the coverage area for the VIVOSUN T5 324W Grow Lights?
The VIVOSUN T5 Lights provide coverage for a 4 ft. area using six 54W HO fluorescent tubes. You should measure your grow space to ensure the 4 ft. footprint aligns with your plant layout before ordering.
Do the VIVOSUN T5 324W Grow Lights include full-spectrum bulbs?
Yes, the VIVOSUN T5 Lights include 6500K fluorescent tubes which provide the white light spectrum necessary for various growth stages. The 6500K rating indicates a cooler, daylight-balanced spectrum suitable for vegetative growth.
What is the lifespan of the bulbs in the VIVOSUN T5 324W Grow Lights?
The VIVOSUN T5 Lights feature bulbs with a 20,000 hours bulb life rating. The manufacturer provides a 1-year warranty on the bulbs and a 2-year warranty on the fixture itself.
New growers can learn more in our grow light explained guide.
Is the VIVOSUN T5 Lights Right for You?
The VIVOSUN T5 Lights suits 5 kinds of buyer and is the wrong choice for 3 jobs, listed below with the reason for each.
Who the VIVOSUN T5 Lights is for, and what it does well
Who the VIVOSUN T5 Lights suits
- Indoor herb gardeners — the 6500K color temperature is ideal for vegetative growth and leafy greens
- Small-scale nursery owners — the 324W power output and 4 ft coverage allow for high-density seedling production
- Home greenhouse hobbyists — the 2-year fixture warranty provides long-term reliability for consistent plant care
- Community garden volunteers — the UL certified housing ensures safety for public or shared outdoor-to-indoor spaces
- University biology students — the 30,000 total lumens provide sufficient light for controlled plant growth experiments
What the VIVOSUN T5 Lights handles well
- Seedling propagation — the 6500K fluorescent tubes provide the correct spectrum for early growth
- Leafy green production — the 324W power output provides high-intensity light for rapid growth
- Small indoor vegetable patches — the 4 ft coverage area fits standard shelving or small grow spaces
- Low-light area supplementation — the 95-97% reflective aluminum surface maximizes light distribution
- High-volume plant nurseries — the 20,000 hours bulb life rating allows for long-term continuous operation
What the VIVOSUN T5 Lights is the wrong choice for
- Large-scale commercial cannabis farming — the 4 ft coverage area is too small for industrial-scale canopy requirements
- Flowering fruit tree production — the 6500K spectrum is optimized for growth rather than heavy flowering/fruiting
- High-intensity deep-canopy lighting — the 5,000 lumens per tube may struggle to penetrate thick, dense foliage
What to budget alongside the VIVOSUN T5 Lights, and what to skip
Worth buying at the same time
- Heavy-duty mounting brackets — the 2 hanging cables require a secure overhead structure for installation
- Timer switch — the 2 on/off switches require an external timer for automated day/night cycles
- Reflective Mylar sheeting — the reflective aluminum surface benefits from additional wall coverage to maximize light
- Grow tent — the 4 ft coverage area is best contained in a dedicated space to focus the 30,000 lumens
- Extension cords — the 8 ft grounded power cord may need extra length depending on the distance to a power outlet
What you can skip
- Replacement bulbs — the 6500K fluorescent tubes are included in the box
- Power adapters — the 8 ft grounded power cord provides a direct connection to a standard outlet
- Reflective housing — the reflective aluminum surface is already built into the fixture
You might also consider the Phlizon FD9600 spec breakdown for larger grow areas.
Refer to our guide for the best grow lights for veg and bloom.
Where to Buy the VIVOSUN T5 Lights
These retailers sell Grow Light generally – we do not track which of them has this particular model in stock, so check availability and the current price with the retailer before making a trip.
- Home Depot (online and physical stores) — physical locations for large-scale lighting and hardware
- Lowe’s (online and physical stores) — in-store availability for basic grow lighting and supplies
- Bloomz (online only) — specialist retailer with expert staff and niche brands
- HydroHouse (online only) — specialist retailer for hydroponic and grow light systems
- eBay (online only) — source for open-box and refurbished grow lighting units
- Amazon (online and physical stores) — wide selection of brands and fast shipping
Final Verdict on the VIVOSUN T5 Lights
The VIVOSUN T5 324W Grow Lights are a practical choice at $149.99.
The VIVOSUN T5 Lights provide a total of 30,000 Lumens across 6 tubes, making them a high-output option for those prioritizing raw light volume over advanced LED technology.
Skip it if: You require a high-intensity flowering setup that meets the 900 µmol/m²/s PPFD threshold or need the spectral precision of Samsung LM301H diodes.