The VIVOSUN VS4000 LED Grow Light has been a game-changer for my indoor gardening setup. Here’s why I’m giving it five stars: High-Quality LEDs: The Samsung LM301 diodes provide excellent light output and efficiency. The full spectrum light is perfect for all stages of plant growth, from seedling to bloom. My plants are thriving under this light, showing vigorous growth and vibrant health. Dimmable and Versatile: The dimmable feature is incredibly useful, allowing me to adjust the light intensity according to the needs of my plants. This flexibility is perfect for managing different growth stages and ensuring optimal light conditions. Durable and Well-Built: The build quality of the VS4000 is impressive. It feels sturdy and durable, with a solid construction that gives me confidence in its longevity. The included hanging kit makes it easy to set up and adjust the height as needed. Energy Efficient: Despite its powerful output, the VS4000 is energy-efficient, helping to keep my electricity costs down while providing ample light for my plants. It runs cool, preventing any issues with overheating. Additional Accessories: The included glasses are a nice touch, providing eye protection from the intense light. The user manual is clear and helpful, making the setup process straightforward. Great Coverage: The light covers my 4x4 grow tent perfectly, providing even light distribution across the entire canopy. This ensures that all my plants receive adequate light without any dark spots. Overall, the VIVOSUN VS4000 LED Grow Light has exceeded my expectations. It offers high-quality lighting, energy efficiency, and versatile features that cater to all my indoor gardening needs. I highly recommend this grow light to anyone looking to boost their indoor plant growth with reliable and effective lighting. Read more
I've been using this light about a year now. In that time I have flowered 4 sets of plants. The results have been very good. Very nice, dense buds. This light penetrates the canopy reasonably well. The lights are adjustable and that's good. I usually start my plants under a fluorescent light set up and move them at about 6 or so weeks from the low light set up to the Vivosun VS4000 tent. When you first introduce them, they need the lower setting to adjust, or you risk light burn. I start them on 40% and work them up over time. The light emits some heat but that's easily managed with ventilation. One of my lights had a problem about 11 months after I started using it. I contacted Vivosun and went through a series of emails explaining a few things to them. This was a bit of a pain but I understand there's a process they are following. In any case, the light was replaced with a new unit which I received promptly. Of course, ideally there would be no issues, but I am satisfied with the manner in which the warranty was handled. This is a good light if you are using a 3x3 tent. Read more
I've purchased a lot of Vivosun's products for their competitive prices but their quality has never failed me. This set of light is hands down gorgeous and efficient. I use it in my 5x5 grow tent, and the plants are doing great under it. The things I love about this light: + The affordable price. Nothing beats Vivosun's in that matter. A comparable light with Samsung diodes could run easily over $500. + Look at how thin and lightweight it is in the attached photos. Amazing!! + It is so bright you NEED to make sure to wear glasses. My plants are loving it. Light has the dimming function; simply turn the knob to set it at 40%, 50%, 60%, 80% and 100% capacity. + It's completely quiet. No more annoying ticking sounds from the failing purple/pinkish light that I previously used. + The green quick-release button is an awesome feature for easy rope adjustment. + It could run a little warm in a small enclosed space, but nothing out of ordinary for a 4000 light. In fact, I think it's emitting less heat than the 2000 (200w) light I got from another brand. Personally, I'm not using it with a fan, but it wouldn't hurt if you want one. Read more
Really nice. Read more
Amazing results just bought a second one. The second one is upgraded I'll post results of second light in a few months Read more
Light works great Read more
Great grow light for the price point! Runs a bit hot so I’m running it at 50% and it’s right where I need it. Keeping the tent at a good temperature now which is an added bonus. Paired with the VIVOSUN controller and exhaust fan I’m able to keep the balance of temp and light perfectly. Read more
Lamp no longer turns on as of Jan, device was purchased in April. Vivosun only offers a 30 day warranty! Talk about knowing your products don't work before you sell them! Do not buy this product unless $50-60/mo sounds like a good price to you. Read more
