In-depth guides on LED, CMH, HPS, and MH grow lighting for indoor cultivators. Learn how to size your lights, optimize light schedules and DLI, compare spectrum options, and choose the best technology for your grow space — from a small tent to a full commercial facility.
Calculating your grow lighting requirements really is just two steps – determine your plant’s lighting needs (watts/square foot), and your plant canopy dimensions. A common mistake…
Dustin Davis
When you have decided to upgrade your indoor grow, you'll definitely want to learn about the best LED grow lights. LEDs are regarded as some of…
Dustin Davis
Grow Room Electricity Calculator: Estimate & Reduce Your Monthly Costs Your grow room electricity bill is one of the most predictable — and controllable — expenses…
Dustin Davis
In the continuous quest for higher yields, every aspect of the plant’s environment needs to be optimized. Under-canopy lighting, also known as sub-canopy lighting, offers a…
Dustin Davis
There has been some debate over the importance of UV light for plants. Some growers even wonder whether ultraviolet light has a place in plant cultivation…
Dustin Davis
Double-ended (DE) HPS fixtures typically produce about 10–30% more light output than equivalent single-ended (SE) designs at the same input power, with better arc efficiency, stronger…
Dustin Davis
Not every “LED” lens suits every LED. Learn how to match grow room glasses to full-spectrum LED, blurple LED, HPS or mixed lighting, what color correction…
Garrett Dupree
Poor light setup is one of the top reasons growers leave yield on the table — and most don't realize it's happening. A fixture hung even…
Jacob Rodowick
In the past, lumens and lux meters have been used to measure light for plants, but we have since learned that these are not the best…
Dustin Davis
There are an abundance of different grow light certifications and it can get overwhelming. What do you need, and what don’t you need? As we’ll explain…
Dustin Davis
Grow light timers and controllers exist to solve one problem: plants are exquisitely sensitive to light duration, and human beings are unreliable timekeepers.
Jacob Rodowick
Green light helps you see during the dark period, but plants aren’t blind to it. Learn what the research says about green light and flowering, how…
Garrett Dupree
Sufficient lighting is essential for all stages of growth, but sometimes you can overdo it - leading to light stress in plants. This can cause a…
Dustin Davis
Two factors determine whether a bulb is right for your situation: how much light it produces relative to your space, and what spectrum of light it…
Jacob Rodowick
If you are looking for the best CMH grow lights to take your plants from seed to harvest, you have come to the right place. Not…
Dustin Davis
There are two main types of reflector cord socket types used on HID lighting fixtures, "standard" and the proprietary "Hydrofarm" type.
Dustin Davis
