led light spectrum for growing plants Mammoth Nova Sun Series Full Spectrum Grow Light – BuildASoil

🌞 Nova Sun Series – Full-Spectrum LED Grow Lights (2026 Model)
The First & Only Sunlike CMH Spectrum
Proven Science. Bigger Yields. Higher Quality.

Introducing the Nova Sun Series by Mammoth Lighting—our most advanced line of full-spectrum LED grow lights for professional cultivators, research institutions, and high-performance home growers. Inspired by sunlight and backed by peer-reviewed science, Nova Sun is the only LED grow light series engineered to replicate a true Sunlike CMH-style spectrum while offering optional independent channel control (on select models) for White, Far Red, and UV.

🧬 Why Spectrum Matters More Than Intensity
Decades of academic research confirm: Light quality = plant quality.

🚫 Outdated red/blue or “blurple” spectrums limit genetic expression.  Many manufacturers are going back to the heavy red/blue spectrum to push efficacy numbers higher (good for marketing) ...but plant quality suffers.  

✅ Full-spectrum light mimicking natural sunlight enhances flower quality, cannabinoid levels, and terpene production

🔬 Peer-Reviewed Research Confirms:
• White Light improves cannabinoid synthesis (Magagnini et al., 2018)
• Green Light enhances penetration and morphology (Kim et al., 2005; Johkan et al., 2012)
• Far Red (730nm) boosts flower size and biomass (Zhen & Bugbee, 2020; Craig et al., 2023)
• Teal Blue (470–500nm) regulates plant structure and circadian rhythm (Lin et al., 2022)
• UV-A/B increases terpene, resin, and flavonoid levels (Ries et al., 2000; Magagnini et al., 2018; Lyu et al., 2024)

Got Dual Red Terp Boost? 99% of LED’s do Not. 

🌈 Nova Sun Spectrum Highlights
• Emerald Green + Dual Red Terp Boost (640nm + 660nm)
• Dual Blue and Teal Blue Peak for vegetative vigor + Oil boost. 
• Far Red (730nm) for flowering + stretch
• Optional UV (UVA 400nm + UVB 295nm) for oil + IPM
• Up to 2.7 μmol/J efficiency
• Ledestar Nova Chips + Other Advanced diodes
• Modular + field-serviceable design

120v and 240v plugs included in all boxes  

All lights have standard dimmer knob and RJ ports for group control  

🔧 Choose Your Nova Sun Model

🔍 Model Details

🟩 3x3 Nova | 330W – Fixed Spectrum
Perfect for small tents and small rooms. Big performance in a compact footprint.
• Spectrum: Nova Sun + Emerald Green + Dual Red + Triple Blue
• Control: Manual Dimmer + RJ12
• Size: 34" x 34" x 4"
• Weight: 19 lbs
• Coverage: 3x3 | 4x4 Max

🔹 6-Bar | 720W – Fixed Spectrum
Compact, efficient, and affordable—ideal for small-scale grows or vertical setups.
• Size: 44" x 44" x 4" | Diodes: 2,592 | Weight: 25 lbs | Manual Dimmer + RJ12 port

🔸 8-Bar | 820W – Fixed Spectrum
Higher intensity for even canopy coverage in mid-to-large flower rooms.
• Size: 44" x 44" x 4" | Diodes: 3,120 | Weight: 30 lbs | Manual Dimmer + RJ12 port

🔺 8-Bar | 950W – Spectrum Tuning Model
Ideal for breeders and researchers needing precise spectrum control.
• Channels: CW (700W), WW (200W), FR (50W)
• Size: 44" x 44" x 4" | Diodes: 3,924 | Weight: 32 lbs | 3 Manual Dimmers + RJ45 port

Click Here for the Spectrum Tuning Handbook 

🟥 10-Bar | 930W – Spectrum Tuning + UV
Maxed out for oil production, research, and chemical-free IPM.
• Channels: W (700W), FR (50W), UV (180W)
• Size: 55" x 44" x 4" | UV Lifespan: 10,000 hrs | Weight: 34 lbs | 3 Manual Dimmers + RJ45 port

⚡ Optional UV Add-On Kit – $299
Snap-on kit with UVA (400nm) + UVB (295nm) Module for Resin, Oil, IPM, and R&D
• Wattage: 100W | Size: 44" x 3" | Manual Dimmer RJ14 Control

Click Here for Par Maps

🧪 Why UV = Oil Boost, Terp Boost & Chemical-Free IPM
UV exposure triggers the plant’s defense system, increasing trichome and oil output while activating natural pest resistance.

Supported by Research:
• Ries et al., 2000 – UVB increases phenolic compounds
• Magagnini et al., 2018 – UV raises terpene content
• Lyu et al., 2024 – UVB linked to trichome density & pest suppression
• Jenkins, 2009 (Annual Review of Plant Biology) – UVB activates secondary metabolite pathways

🙋 FAQ Highlights

Q: What’s the best grow light spectrum for hemp?
A: One that mimics full sunlight—balanced red, blue, green, far-red, and UV. Nova Sun checks every box.

Q: Does spectrum matter more than PPFD?
A: Yes. Oversaturating plants with the wrong spectrum (like red/blue-heavy lighting) limits phytochemical expression. A full spectrum unlocks the plant’s genetic potential.

Q: Why does green light matter in a grow light?
A: Green penetrates deeper into dense canopies, improving lower-canopy photosynthesis, morphology, and overall efficiency (Kim et al., 2005).

Q: Do I need spectrum tuning?
A: If you’re running high-value genetics, pheno hunting, or dialing in commercial output—yes. If you want simple, proven performance, fixed spectrum models still deliver strong results.

Q: What’s the difference between the 8-bar and 10-bar systems?
A: It comes down to how you want to tune spectrum.

• 10-Bar: More advanced UV + far-red focused tuning system. Designed for deeper spectrum control with dedicated UV and far-red channels plus full-spectrum control.
• 8-Bar 950W: Traditional spectrum tuning setup using warm white, cool white, and far-red. A proven, straightforward approach. UV can be added via the upgrade kit for expanded control.

👉 Simple breakdown:

• 8-bar = traditional spectrum tuning
• 10-bar = expanded UV + far-red tuning control

Q: How is spectrum controlled?
A: Option 1 controller uses low-voltage RJ45 connections for clean, reliable channel control across the system.

Q: Why include UV in a grow light?
A: UV mimics natural environmental stress, helping increase resin, terpene production, and plant defense responses. It’s also useful as part of an integrated pest management strategy.

Q: Will this work for veg and flower?
A: Yes. All models are full-cycle optimized. Spectrum tuning systems simply give you more control over how you shape each stage.

Q: Is far-red necessary?
A: It’s part of nature. Far-red can influence canopy structure and plant signaling - YES   

📦 Shipping & Warranty
• Ships in 1–3 Business Days (Rush Available)
• 5-Year Limited Warranty (Fixture)
• 1-Year Warranty (UV + Controls)
• International Shipping: EU/UK Plug Options + Prepaid Import Available

⚠️ Legal Disclaimer
Mammoth Lighting products are intended for use in legal cultivation environments. Always follow local cultivation regulations and safety protocols.