Horticulture Light Group HLG 300 Full Spectrum Plant Dimmable LED Grow Light

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$599.00 USD
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Horticulture Light Group HLG 300 Full Spectrum Hydroponic Plant Dimmable LED Grow Light

The HLG300 indoor horticulture LED Lamp is designed to power a 3'x3' space requiring less power consumption than traditional HPS lights. Each lamp uses 2 custom designed High efficiency white light Quantum Boards. With a total of 576 Top Bin Samsung LM561C S6 LED's.

The dimmable feature makes the HLG 300 ideal for full spectrum growth from vegetative to flowering cycles.

Product features:

  • High efficiency white light Quantum Boards
  • White Light Full Spectrum for better results
  • Reliable passive cooled design
  • Better canopy light penetration with diffused light
  • Ideal for veg and bloom
  • Dimmable Power Supply included
  • Comes with 120V plug



        • Grow Area - Vegetative: 4 ft x 4 ft
        • Grow Area - Flowering/Bloom: 3 ft x 3 ft
        • Ideal Height from Canopy: 15 - 24 in
        • Peak PPF: 627 PPF
        • Power Consumption: 285 Watts
        • Voltage: 90V - 277 V
        • Dimensions: 18 in x 20 in x 3 in


        Johnson Grow Lights gives you a 3 year warranty. Warranty does not cover user error or operator abuse. 

        Shipping and Returns


        Free shipping is only within the Lower 48 states and does not apply to certain products. Trimleaf reserves the right to change shipping prices and is subject to change without prior notice.

        Order Confirmation:

        Immediately after placing an order online, you will receive an email confirming the details of your order. 

        Should the item purchased be unavailable, not in stock or have a longer than usual lead time, a member of our team will reach out via phone or e-mail to find a probable solution.

        Order Shipment and Tracking

        A tracking number will be emailed as soon as your order has been fulfilled and dispatched to the appropriate carrier. 

        Delivery updates and any delays will be communicated via email but you can also track your order with the tracking number at

        If you did not receive tracking information from us within a reasonable amount of time from the date of your order, feel free to follow up with us by Contacting Us

        Damaged Shipment:

        Please inspect the packaging of your item(s) upon arrival and make note of it when signing for delivery.  If your item(s) arrived damaged, please send photos to where we will review and file a claim for it. 

        Cancellations & Refunds:

        Order cancellations must be received within 24 hours of placing an order.  If your order has shipped, you (the buyer) will also be responsible for the return shipping charges. 

        Trimleaf reserves the right to cancel and refund any orders deemed fraudulent without prior notice.

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