Skip to content
Free Shipping on most orders over $175 | Sales Tax in NJ only
Free Shipping on most orders over $175 | Sales Tax in NJ only

Full Spectrum Grow Lights

Full spectrum grow LED fixtures mimic the sun’s natural wavelengths, providing plants with blue, green, red, and even far-red light. This broad range promotes strong root development, balanced vegetative growth, and heavy flowering without needing bulb swaps.

Research shows that the spectrum shapes plant morphology, but intensity drives yield. A full spectrum plant light delivers both, ideal for home grows and commercial setups needing simplicity and performance in one fixture. 

Get access to our unbeatable grow light deals with energy incentives and commercial discounts. Plus, find clone, veg, flowering, and full cycle grow lights fast with our grow light comparison table.  

Bottom angled view of fully lit SecretLED SL-1000 LED grow light showcasing multiple LED diodes and sturdy purple frame.
Top view of SecretLED SL-1000 LED grow light displaying full LED panel array and central driver with wired connection 27% Discount Inside
$1,299.00 - $1,299.00
$1,299.00
$1,299.00
$1,299.00 - $1,299.00
$1,299.00

SecretLED Lighting SL-1000 LED Grow Light

SecretLED

Maximize canopy coverage with powerful, full-spectrum 1000W output in a slim, 8-bar LED grow light built for intense flowering stages. The Secret L...

View full details
$1,299.00 - $1,299.00
$1,299.00
$1,299.00
$1,299.00 - $1,299.00
$1,299.00
Purple and silver SL-830 LED grow light showing energy use, spectrum, dimming, and IP65 rating icons.
Top-down view of the SecretLED SL-830 UV/IR LED grow light showing fully lit light bars. 27% Discount Inside
$1,249.00 - $1,249.00
$1,249.00
$1,249.00
$1,249.00 - $1,249.00
$1,249.00

SecretLED Lighting SL-830 UV/IR LED Grow Light

SecretLED

Fine-tune your spectrum with UV, IR, and full-spectrum dimming for advanced growth control, higher potency, and optimized flowering yield. The Secr...

View full details
$1,249.00 - $1,249.00
$1,249.00
$1,249.00
$1,249.00 - $1,249.00
$1,249.00
Angled view of the SecretLED SL-680 Mega LED Grow Light with bright full-spectrum output ideal for indoor horticulture.
op view of SecretLED SL-680 Mega LED Grow Light showing full-spectrum LED panel with dense diode layout for high PPFD performance. 27% Discount Inside
$999.00 - $999.00
$999.00
$999.00
$999.00 - $999.00
$999.00

SecretLED Lighting SL-680 Mega LED Grow Light

SecretLED

Crank up intensity with this MEGA 680W quantum board LED—built for open layouts and dialed-in dimming from full blast to zero. The Secret Lighting...

View full details
$999.00 - $999.00
$999.00
$999.00
$999.00 - $999.00
$999.00
Angled top view of the SecretLED SL-760 LED Grow Light showcasing aluminum frame and central power supply
Top-down view of the SL-760 LED Grow Light displaying six full-spectrum LED bars with uniform layout 27% Discount Inside
$1,099.00 - $1,099.00
$1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00

SecretLED Lighting SL-760 LED Grow Light

SecretLED

Run cooler and brighter with this efficient 760W fixture—ideal for high-intensity flowering and full-cycle growth in tents, racks, or open rooms. T...

View full details
$1,099.00 - $1,099.00
$1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00

Frequently Asked Questions

How do I know if a grow light is truly full‑spectrum?

Look for a continuous spectral distribution that mimics sunlight, with a high Color Rendering Index (CRI ≈ 95–100) and complete coverage across blue, green, red, and even some UV/IR wavelengths; packaging and CRI/CCT specs, independent certifications, and real-world “white light” appearance are good indicators.

What color should a full spectrum grow light appear?

A full spectrum LED grow light for indoor plants emits white light, not purple or blue-red “blurple”. It appears as natural daylight (CCT ≈ 5000–6500 K) because it includes balanced blue, green, and red wavelengths.

How far should a full‑spectrum LED light be from my plants?

Placement depends on intensity: seedlings often need lights 8–12 inches above, while mature plants are typically hung 2–4 feet away to ensure optimal PPFD without light burn.

Which light spectrum is best for plant growth?

The ideal spectrum of full spectrum grow lights for seedlings to veg spans the full PAR range (400–700 nm), with balanced red and blue plus some green—and optionally far-red/UV—to support both yield and plant health; intensity (PPFD/DLI) is still the most important factor. Learn more about PPFD/DLI in our latest blog.

Are energy rebates available for commercial and large indoor setups?

Yes! Many utility and government programs offer rebates that can cover 50–100% of the cost of qualifying LED grow lights (and even HVAC/dehumidifier upgrades), saving commercial growers thousands and relieving grid strain. Check your eligibility here!