How Do I Manipulate The Photoperiod For Larger Yields?
The only photoperiod manipulation from years of experiments that offered discernible improvements was this adjustment made for 1 or 2 calendar weeks at the...
What Distance Should My Light Be From My Plants?
For (artificial) light, there is a law that always applies known as the Inverse Square Law. It states that light diminishes exponentially in energy...
What Is Photosynthesis?
It has long been known that the green part of plants, when exposed to light under suitable conditions of temperature and water supply, intake...
Can Black Lights Be Used For Growing?
Black lights will not work for growing cannabis. They do not produce the correct spectrum of light to grow plants. The only lights that...
How To Build an Inexpensive Carbon Air Scrubber?
Building a carbon scrubber for de-odorizing stinky grows.
The design is such that there is no back pressure on the grow box exhaust fan, and...
PAR For Plants, Lumen For People
While the lumens measurement is based on the sensitivity of the human eye to light, PAR Watts objectively measure the total watts of Photosynthetically...
How Do I Build my own Cool Tube?
Configuration
This type of fixture is very versatile. There are many different ways it can be configured:
*hanging or mounted on a chamber wall
*open-ended drawing air...
What Are Compact Fluorescents And How Can I Use Them For...
BASIC INFORMATION
Compact fluorescents are close relatives of the 4ft tube fluorescents, commonly used in shops and schools for their white, soft light that does...
How Can I Improve The Air Flow In Air Cooled Light...
How can I improve the air flow in air cooled light hoods? Like many of you, I use Hydrofarm hoods for my lights. I...
Should I Use A Light Mover?
Light movers are mechanical devices that, as the name implies, move an HID in a fixed pattern over a garden. A light mover can...
How to Grow Marijuana – Everything You Need to Know!
How to Grow Marijuana
Should I Start My Grow From Clones or Seeds?
Do Roots REALLY Grow in the Dark?
What is Marijuana and what Effects Could...
Can I Use Foil on my Flourescents?
In a shop light type fixture, the bulbs are usually space a few inches apart. This type of reflector creates light "stripes" when used...
Basic Info On Fluorescent Lighting
This is a compilation of basic information on fluorescent lighting that I have gathered over a period of several months. What is a fluorescent light? A...
How Do I Convert a Common Home Security Light into a...
How do I convert a home security light into a remote ballast grow light?
Contributed by: Spliffco, Inc.
For some reason growlight manufacturers are completely ignoring...
How Can I Hang an Adjustable Reflector in a Box-Grow?
This if for those who have a small area or box that is made of wood, dry-wall, or other material that can use screw...
Metal Halide Safety And Fixture Recommendations
HPS (High Pressure Sodium) lamps can burn in any orientation.
MH (Metal Halide) lamps come in three basic types:
*Base up (BU), which must be operated...
420 Magazine’s Plant of the Month October 2024
Congratulations to our member StoneOtter for winning 420 Magazine’s Plant of the Month October 2024 with his beautiful plant titled “Runtz...
420 Magazine’s Photo Of The Month October 2024
Congratulations are in order for our member Greenvein and his incredible photo of the month for October 2024 titled "Yowie Bedside",...
420 Magazine’s Nug of the Month October 2024
Congratulations to our member Braddah Waiheesohai for the beautiful frosty "Biscotti" Nug, earning the honorable 420 Magazine’s “Nug Of The Month”...
420 Magazine’s Grow Journal Of The Month October 2024
Congratulations to our member MedScientist and his winning 420 Magazine’s Grow Journal of the Month October 2024, earning the distinguished “Grow...
420 Magazine’s Member Of The Month October 2024
Congratulations to our member Azimuth for this remarkable achievement, our 420 Magazine’s Member of the Month October 2024, earning the distinguished...
