Fission LED 600W V2.0 Grow Light – Full Spectrum & Dimmable

The Fission LED 600W V2.0 Grow Light is the definitive leap your indoor grow needs to transform electricity into heavy, resinous flowers, offering a professional full-spectrum solution that drastically reduces heat while maximizing gram-per-watt production. If you are looking to retire your old HPS or upgrade your current setup, this equipment gives you total control over the light intensity your plants receive, ensuring vigorous growth and an explosive flowering phase.

Why your current lighting might be holding you back

Are you still battling temperature spikes that force you to install massive extractors or run air conditioning just to keep your plants alive? Relying on inefficient lighting not only inflates your electricity bill but also creates an environment where terpenes degrade, and plants stretch unnecessarily seeking better light quality.

There is nothing more frustrating than putting months of work into a crop only to end up with airy, loose buds because the light couldn't penetrate the canopy or the heat stress stopped the swelling. Continuing with obsolete technology means working harder for mediocre results, wasting money on watts that turn into heat instead of yield.

The Fission LED 600W V2.0 solves this equation immediately: its passive dissipation design keeps your grow room cool, while its high efficiency of 2.4 µmol/J ensures that every photon is used by the plant to create biomass. You get denser flowers, more resin, and a much more manageable climate without the headaches.

What it feels like to grow with the Fission LED 600W

Switching to this LED feels like moving from analog to digital. The first thing you notice is the visual comfort; the white light allows you to see the true health of your leaves, spotting deficiencies or pests instantly, something impossible under the orange glare of sodium lights. But the real satisfaction comes when you see the plants respond: the internodes stack tighter, and the leaves turn towards the light like solar panels, showing they are metabolizing energy at a superior rate.

Emotionally, it gives you peace of mind. Knowing that you can leave the house without worrying about a heat spike burning your canopy is priceless. You feel like a pro seeing how the buds harden and fill with trichomes right down to the lower branches, thanks to a light penetration that HPS simply cannot match. It’s the feeling of having total control over your environment.

How to squeeze the experience to the max

To get the monster yields this light is capable of, you need to adjust your strategy. Here is how to optimize it:

• Start gentle: Don't blast seedlings with 100%. Use the dimmer at 40% for the first few weeks to save energy and avoid light stress.
• Perfect distance: Keep the light about 40-60 cm from the canopy. If you see "praying" leaves (pointing up), you are in the sweet spot.
• Maximize the footprint: This light is geometrically perfect for grow tents 120X120. The square design ensures corners get almost as much light as the center.
• Feed them more: LED plants transpire less but eat more. You may need to increase your EC slightly as their metabolism speeds up.
• Add motion: If you have a larger room, mounting this on a Light Rail can extend your coverage area significantly, mimicking the sun's movement.
• Monitor temperature: Since this light runs cooler, you might actually need to reduce extraction speed in winter to maintain the ideal 24-26°C.

Advantages and benefits in your day-to-day life

• Lower Electricity Bills: Because of its high efficiency, you get more yield for the same power cost compared to older technologies.
• Silent Operation: No buzzing ballasts or roaring fans needed to cool the bulb; it’s stealthy and quiet.
• Full Cycle Simplicity: No need to change bulbs between veg and bloom. The full spectrum covers everything.
• Durable Investment: With a lifespan of 50,000 hours, you won't be buying replacement bulbs every few crops.
• Customizable Intensity: The built-in dimmer (40%-100%) lets you save money during the vegetative stage when plants don't need full power.

How it fits with other products in your set-up

The Fission LED 600W V2.0 is the heart of your operation, but it works best when paired with the right gear. It integrates seamlessly into the 600w Grow light LED category as a top-tier choice for mid-sized tents. Since it emits less heat, you can often downgrade your extraction fan speed, making your whole setup quieter.

It also pairs beautifully with CO2 supplementation. Because the light intensity is high, your plants can process more CO2, unlocking yield potentials that are simply unreachable with standard lighting. Just remember to use a good timer to keep your photoperiod strict.

Frequently Asked Questions

Does this light come with the power cable and hangers?

Yes, the Fission LED 600W V2.0 comes ready to plug and play, including the necessary cabling and hanging hardware to get you started immediately.

Is it equivalent to a 1000W HPS?

In terms of yield and PAR output usable by the plant, it is very comparable to a 1000W HPS, but it consumes only 600W and generates significantly less heat.

Can I use this for mother plants?

Absolutely. By dimming it to 40% or 60%, it provides an excellent spectrum for maintaining mother plants without promoting excessive stretching.

What is the warranty?

Pevgrow offers a standard guarantee on this product, ensuring it arrives in perfect condition and functions as specified. Check our terms for specific warranty duration details.

Personal Experience of Pevgrow’s CEO (Alan)

I've tested dozens of LEDs over the years, and the Fission V2.0 surprised me with its build quality relative to its price point. I used it in a summer crop where I usually have to shut down due to heat. With this unit, I managed to keep the tent at a steady 26°C without running the AC.

One thing I noticed: the buds were rock hard. With HPS, I sometimes got fluffy lowers, but the light penetration here is excellent. My trick? In the last two weeks of flowering, I dim it to 80%. It saves a bit of power and mimics the fading autumn sun, which seems to trigger a final push in resin production. If you want to go pro without spending a fortune, this is the one.