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
Previous Next
Photontek SQ 300W Pro LED grow light with square multi-bar frame and external driver mounted on top.

Photontek SQ300W PRO LED Grow Light

by Photontek
$379.00 - $379.00
$379.00
$379.00
$379.00 - $379.00
$379.00

🌿 Free shipping on U.S. orders $175+, unless noted above

🌿 Canada, AK & HI: Add'l shipping charges

🌿 Price match guarantee, details here

Energy Rebates & Bulk Pricing Available

SAVE BIG! Contact us for Bulk Pricing and Rebate Eligibility, or call us at (973) 206-7590.

Cash Payment Discounts & Financing Options

Get an additional 3% off when you pay by ACH, Money, or Zelle. Select your option at check out.

We accept all major credit cards, crypto and Paypal 0% credit plans. More details here.

Full Manufacturer’s Warranty

You buy it, we back it! Your purchase is fully covered with a manufacturer’s warranty. More details here.

Designed specifically for tighter and more compact spaces, the low wattage SQ300W Pro LED Light will deliver the best light spectra on the market combined with very high PPFD levels for its size.

Powerful full-spectrum LED delivering high efficiency and intensity for compact 3.3' x 3.3' grow spaces.

For tight spaces that demand high efficiency, the Photontek SQ300W Pro LED delivers powerful full-spectrum lighting in a compact, square-shaped design. With a footprint of 3.3' x 3.3', this grow light packs serious intensity, delivering 816 µmol/s PPF at an impressive 2.7 µmol/J efficiency. Whether you’re growing in a tent, small indoor space, or compact commercial setup, this LED ensures optimal canopy penetration without hotspots or excessive heat.

Is the Photontek SQ300W Pro LED Energy-Efficient?

Absolutely. At 2.7 µmol/J, this fixture outshines traditional HPS lights that max out at 1.7 µmol/J, meaning more usable light per watt, lower heat output, and higher yields per square foot. Ideal for home growers and commercial cultivators looking to maximize performance in smaller grow areas, this LED delivers serious results without the energy drain.

Features

  • High Fixture Efficacy 2.7µmol/J
  • High PPF output for high intensity 816 µmol/s
  • Lowest $/µmol
  • World Class Diodes & Drivers
  • Optimized light spread and uniformity
  • New Clear Glue Technology on the LED Bars Protection Cover
  • Compact design ideal for up to 3.3’ x 3.3’ grow area
  • Balanced Full-Spectrum by White, Red & Far Red diodes combination
  • Fully Dimmable
  • External Control with P-TEK Digital Controller
  • User Friendly & Easy Set-Up

What's Included?

  • 1 x SQ300W Pro LED Fixture with Driver
  • 1 x Power Cable 120V
  • 1 x 0-10V Light Dimmer + Velcro
  • 2 x Metal Cable Hangers
  • 1 x Manual

Download Resources

Photontek SQ300W PRO LED Video

Specifications

SKU: PTEKLED024-120

Product Code: PTEKLED024

Efficacy: 2.7 µmol/J

PPF: 816 µmol/s

Input Voltage: 120-277V, 50-60Hz

Input Power (100%): 310W

Input Current (100%):

2.72A @ 120V

1.4A @ 230V

1.16A @ 277V

Footprint: Up to 3.3’ x 3.3’

Waterproof Rating: IP65

Lifetime: 60,000 hrs

Light Distribution: 120°

Light Source: Higher Spec White, Red & Far Red Diodes

Dimmable: OFF-25%-50%-75%-100% with 0-10V Light Dimmer (Included)

External Control: Compatible with P-Tek Digital Controller

Weight: 11.46 lbs

Dimensions: 22.08’’ x 22.08’’ x 2.82’’

Spectrum: Full Spectrum

BTU Output: 1051 BTUs/h

Spectrum, Absorption Curves, and Distribution Curve Flux

PPFD

Grow Light Central expert advice for indoor growing equipment

Who Should Use This LED Light?

  • Home and small-space growers needing high efficiency in compact setups.
  • Indoor cultivators optimizing grow tents, grow rooms, and multi-layer systems.
  • Yield-focused growers benefiting from 816 µmol/s PPF and 2.7 µmol/J efficacy.
  • Flexible operators using dimmable controls for different growth stages.

Best Applications

  • Tight grow spaces with a 3.3’x3.3’ footprint and even light distribution.
  • Full-cycle cultivation utilizing a full-spectrum LED for veg and flowering.
  • Scalable operations integrating with external controllers for up to 100 fixtures.
  • Durable setups benefiting from high-quality materials and passive cooling.

Why Shop with Grow Light Central?

“There’s a crapload of equipment providers out there. What makes Grow Light Central so special?”

“There’s a crapload of equipment providers out there. What makes Grow Light Central so special?”

Grow Light Central is a grow equipment solution provider connecting you to 100+ brands and 60+ suppliers trusted and used in the best grow facilities across the country.

Anthony, the owner and operator, personally ensures every order is handled right. No passing you off, no runaround, just the expert service and advice you deserve.

FAQs

How many watts do I need for my grow space?

The wattage depends on the size of your grow tent or room. A general guideline is 30-50 watts per square foot for high-light plants like cannabis. For example, a 2x2 ft area may need 100-200W, while a 4x4 ft area may require 400-600W for optimal coverage.

What is the difference between full-spectrum and red/blue LED grow lights?

Full-spectrum LED lights mimic natural sunlight, providing a balanced mix of blue (for vegetative growth) and red (for flowering and fruiting) light. Red/blue LED lights focus on specific wavelengths but may not support plants as effectively as full-spectrum lights.