Skip to content

Just added to your cart

    Qty:
    View cart ()
    Questions?
    (720) 420-1209
    • Wholesalers
    • FAQs
    • Search
    • Sign In

    Black Dog LED Black Dog LED

      • Commercial Growing
      • PhytoMAX-4 LED Grow Lights
      • PhytoMAX Power and Data Connectors
      • Accessories
      • Superior Yields
      • Unique Science Based Spectrum
      • Case Studies / Testimonials
      • Leaf Surface Temperature
      • SupportLocal
      • All Articles
      • All Videos
      • Calculators
      • Home Growing
      • Commercial Growing
      • Spectrum / Color
      • Light Measurements / Comparing Lights
      • Product Design
      • Deployment / Installation
      • All Categories
      • Our Story
      • News & Press
    • Contact
    • Cart
      0 items
      Products
      • Commercial Growing
      • PhytoMAX-4 LED Grow Lights
      • PhytoMAX Power and Data Connectors
      • Accessories
      Our Technology
      • Superior Yields
      • Unique Science Based Spectrum
      • Case Studies / Testimonials
      • Leaf Surface Temperature
      Education
      • SupportLocal
      • All Articles
      • All Videos
      • Calculators
      • Home Growing
      • Commercial Growing
      • Spectrum / Color
      • Light Measurements / Comparing Lights
      • Product Design
      • Deployment / Installation
      • All Categories
      About Black Dog
      • Our Story
      • News & Press
      Contact
    • My Cart
    • Wholesalers
    • FAQs
    • Sign In
    Search
    Home / Education
    Access Denied
    IMPORTANT! If you’re a store owner, please make sure you have Customer accounts enabled in your Store Admin, as you have customer based locks set up with EasyLockdown app. Enable Customer Accounts

    Education

      FILTER BY CATEGORY
    • Commercial Growing
    • Spectrum / Color
    • Light Measurements / Comparing Lights
    • Product Design
    • Deployment / Installation
    • Superior Yield + Quality
    • All Categories
    • View All
      FILTER BY TYPE
    • Article
    • Video
      • Customer Testimonials
      • Complete Grow Kits Videos
        • Kit Contents
        • How to Assemble Complete Grow Kits
      • Grow-Along Series Videos
        • Autoflowering Cannabis in a 2x2 Foot Tent
        • Burmese Kush in a 3x3 Foot Tent
        • Super Lemon Haze in a 2.5x2.5 Foot Tent
        • High CBD Hemp in a 4x4 Foot Tent
        • Multiple Strains in a 4x4 Foot Tent
        • Multiple Strains in a 4x4 Foot Tent, Round 2
        • 9 'Blackberry Fizz' in a 3x3 Foot Tent
        • 4 'MAC' in a 2x4 Foot Tent
        • 4 'Kimbo Kush' in a 5x5 Foot Tent
        • 4 'Golden Goat' in a 3x3 Foot Tent
        • 4 'Gelato 33' in a 2x2 Foot Tent
      • Growing How-To Videos
        • Planting Seeds
        • Taking Cuttings / Making Clones
        • Nutrient Mixing
        • Watering Plants
        • Transplanting Plants
        • Topping Plants in Vegetative Growth
        • Thinning / Trimming Plants in Early Flower
        • Defoliation
        • Scrogging / Netting Plants
        • Trimming, Drying and Curing Flowers
        • Sexing Plants
        • Insect and Mite Control
        • CO2 Supplementation
      • Case Study Videos
        • Comparing Different Lights
        • Grow Tests with PhytoMAX-2 Lights
        • Reflectivity Tests
      • Cannabis Timelapse Videos
        • Complete Grow Kits
        • Commercial Timelapses
        • Other Timelapses
      • Fun Videos
        • Time-lapse Videos
        • 2019 Grow-Off Videos
        • Multi-Strain Plants
        • Other Videos
      • Webinars, Seminars and Presentations
        • Commercial
        • General Growing
    • Podcast
    • Grow Calculators
    • View All
     
    • Read

      Which is more important- total photon flux (PF / PPF) or photon flux density (PFD / PPFD)?

      Both numbers are important to consider. Measuring total photon flux is like looking at the total flow rate of a showerhead. A showerhead that puts ...
    • Read

      Do LED lights require a ballast like HID lighting?

      No, LEDs don't require a ballast. HID lights require a ballast in order to generate the extremely high voltage required to initiate the electric ar...
    • Read

      Why do we use primary lenses?

      We use grow lights with primary lenses because they allow the light produced from an LED to most efficiently reach your plants. To understand why, ...
    • Read

      What is the difference between original PhytoMAX and the new PhytoMAX-2 LED grow lights?

      We've kept all the best parts of the PhytoMAX series of lights- the complete, full spectrum from UV to IR, spread evenly over the entire footprint ...
    • Read

      Why don't we use dimmers for LED lights?

      Yes, many LED companies are offering grow light dimmers and the ability to switch off sections of your light to change how it is supposed to work. ...
    • Read

      What is the difference between photon flux (PF / PPF) and photon flux density (PFD / PPFD)?

      Total Photon Flux or Photon Flux (PF) is a measurement of the total number of photons coming out of a light source per second. It counts all photon...
    • Read

      What is PAR, and is it useful for comparing grow lights?

      Photosynthetic Active Radiation (PAR) designates the spectrum or range of colors of light from 400 to 700 nanometers that plants are able to use fo...
    • Read

      What is Yield Photon Flux (YPF), and is it good for comparing grow lights?

      Yield Photon Flux (YPF) is a measure of light intensity, weighted based on the light wavelength's usefulness to plants when it is the only color of...
    • Read

      What are the vegetative and flowering footprints based on?

      Our vegetative and flowering footprints are based on the light intensity requirements for some of the most commonly-grown high-light plants such as...
    • Read

      Do LED grow lights put off heat?

      Yes, every light produces heat. It does not matter if the light comes from a bulb, diode, or a star like our sun; they all produce heat. LEDs provi...
    • Read

      What is an LED grow light beam angle and why is it important?

      It's easy to be confused by the idea of beam angle and how it can affect plant growth. Each individual diode (LED stands for Light-Emitting Diode) ...
    • Read

      How can I compare different grow lights?

      Many people look for a single measurement or statistic that can be used to compare different types of grow lights. Many companies try to impress by...
      • Previous page
      • Page 22 of 28
      • Next page
    Invalid password
    Enter
    Black Dog LED

    Products

    • PhytoMAX-4 Grow Lights
    • Accessories

    Our Technology

    • Unique Science Based Spectrum
    • Superior Yields
    • Case Studies / Testimonials
    • Leaf Surface Temperature

    Education

    • Home Growing
    • Commercial Growing
    • Spectrum / Color
    • Light Measurements / Comparing Lights
    • Product Design
    • Deployment / Installation
    • All Categories

    Quick Resources

    • Growing 101
    • Galleries
    • Growing Calculators

    Black Dog LED

    1120 Delaware Ave.
    Longmont, CO 80501

    720-420-1209
    800-380-2291
    Office Hours:
    M-F: 9 am - 5 pm
    M-F: After 5 By Appointment
    Sat - Sun: By Appointment

    Products
    • PhytoMAX-4 Grow Lights
    • Accessories
    Our Technology
    • Unique Science Based Spectrum
    • Superior Yields
    • Case Studies / Testimonials
    • Leaf Surface Temperature
    Education
    • Home Growing
    • Commercial Growing
    • Spectrum / Color
    • Light Measurements / Comparing Lights
    • Product Design
    • Deployment / Installation
    • All Categories
    Quick Resources
    • Growing 101
    • Galleries
    • Growing Calculators
    Black Dog LED

    1120 Delaware Ave.
    Longmont, CO 80501

    720-420-1209
    800-380-2291
    Office Hours:
    M-F: 9 am - 5 pm
    M-F: After 5 By Appointment
    Sat - Sun: By Appointment

    • About
    • Retailers
    • Blog
    • FAQs
    • Shipping
    • Affiliate Program
    • Terms & Conditions
    • Privacy Policy
    • Warranty
    © 2025 Black Dog Horticulture Technologies & Consulting. All Rights Reserved.
    Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
    • Choosing a selection results in a full page refresh.
    • Press the space key then arrow keys to make a selection.