How to Grow Marijuana : 420 Magazine

Lighting

Can Black Lights Be Used For Growing?

420 - April 18, 2010 0

Black lights will not work for growing cannabis. They do not produce the correct spectrum of light to grow plants. The only lights that...

Lighting

What Distance Should My Light Be From My Plants?

420 - July 18, 2017 0

For (artificial) light, there is a law that always applies known as the Inverse Square Law. It states that light diminishes exponentially in energy...

How to Grow Marijuana

How to Grow Marijuana – Everything You Need to Know!

420 - April 18, 2010 0

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...

Chemical

What Is Photosynthesis?

420 - September 20, 2017 4

It has long been known that the green part of plants, when exposed to light under suitable conditions of temperature and water supply, intake...

Lighting

How Do I Build my own Cool Tube?

420 - April 18, 2010 1

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...

Growroom Design and Set-Up

Building your own Inline Fan

420 - April 18, 2010 1

I used a Comair MX2A4 115cfm A/C fan for this project. I bought it at Grainger (was about $30). · I took a few scraps...

Lighting

How Much Will It Cost To Run My Lights?

420 - April 18, 2010 0

Here is an explanation to help you figure out your own cost of running your equipment. This assumes $0.12 per KW hour price. (If...

Growroom Design and Set-Up

Stickydank’s Basic CO2 Method

420 - April 18, 2010 0

Items Required: * 10lb. white sugar * 5 gallon clean bucket W/lid * 4 1/2 gallons of water * A piece of toast browned and hard * A table...

Growroom Design and Set-Up

How Do I Rig An Electric Float Switch Reservoir Controller?

420 - April 18, 2010 0

OVERVIEW: An electric float switch is an alternative to float valves and controller buckets (for which there already exists a GROWFAQ entry for External Reservoir...

Growroom Design and Set-Up

How Much Ventilation Do I Need in My Grow Room?

420 - April 18, 2010 0

Each fan has a rating that tells you how many cubic feet of air per minute (CFM) it will move. When dealing with...

Lighting

Metal Halide Safety And Fixture Recommendations

420 - March 18, 2010 0

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...

Growroom Design and Set-Up

DIY: How Can I Build a Compact Hood with an Intergrated...

420 - April 18, 2010 0

The following are somewhat detailed instructions for constructing a shielded hood/reflector with an integrated light trap designed for a small cabinet... It...

Lighting

Basic Info On Fluorescent Lighting

420 - April 18, 2010 0

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...

Lighting

Can I Use Foil on my Flourescents?

420 - April 18, 2010 0

In a shop light type fixture, the bulbs are usually space a few inches apart. This type of reflector creates light "stripes" when used...

Growroom Design and Set-Up

How Much Co2 Should I Add?

420 - April 18, 2010 0

Co2 Calculations: 1. Measure and multiply: length x width x height of your grow room to calculate the volume of cubic feet 2. Generally, the c02...

Odor Control

How Do I Control Odor With Ozonators?

420 - April 18, 2010 0

Ozonators can make the smell of even SMELLY strains like Mikado and Romulan practically unnoticeable, unless resin glands are broken by your movements within...