Monthly Archives:

420 Magazine

Petition to Reschedule ‘Marijuana’ to Recognize Medical Benefits in Final Stages

April 20, 2010 • 10 comments

As scientists and researchers from Israel, Brazil, Canada and the US participate in the Sixth National Clinical Conference on Cannabis… [Read More]

Seed Madness

Welcome Our Returning Sponsor Seedmadness

April 20, 2010 • Leave a Comment

Please join us in welcoming back Seedmadness to our team of outstanding Sponsors.
Seedmadness features over 1000 strains from 40… [Read More]

Sierra Natural Science

My Experience Using Sierra Natural Science Spider Mite Spray

April 20, 2010 • 4 comments

First off I gotta thank Sierra Natural Science Inc.. This product (SNS-217™ Spider Mite Control) was provided by one of… [Read More]

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Medical Marijuana Pioneer 420 Magazine Launches New Website on 4/20

April 20, 2010 • 4 comments

HOLLYWOOD, CA–(Marketwire – April 20, 2010) – 420 Magazine is pleased to announce that at 4:20 AM on 4/20/10 we… [Read More]

Medical Marijuana

Medical Pot Lights Up D.C. Debate

April 19, 2010 • 1 comment

Medical Marijuana is coming to the District of Columbia – but still with too many restrictions for some pot advocates.… [Read More]

Hemp Facts

April 19, 2010 • 1 comment

* Hemp Fuel: Hemp produces 10 tons of biomass in four months, 4 times the production of corn, which makes… [Read More]

Industrial Hemp

Rope and Dope

April 19, 2010 • 2 comments

On a recent day, the grandson of “America’s Hemp King” relaxed poolside while reminiscing about his family’s “sordid” history in… [Read More]

How to pass a Drug Test

April 19, 2010 • 1 comment

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque sit amet tincidunt nisl. Vestibulum urna tortor, luctus ut mattis id,… [Read More]

Worldwide Marijuana March

April 18, 2010 • 3 comments

The dates on the poster seem confusing. Check with the website to find the date for a march near you.… [Read More]

Denver 4/20 Rally

April 18, 2010 • Leave a Comment

Denver 4/20 Rally. Enjoy speakers and musical acts from 10a to 7p at this large annual rally in Civic Center… [Read More]

Texas Cannabis Crusade, Austin

April 18, 2010 • 3 comments

With the third annual Texas Cannabis Crusade — expected to be the largest pro-cannabis rally in state history — just… [Read More]

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What Distance Should My Light Be From My Plants?

April 18, 2010 • Leave a Comment

For (artificial) light, there is a law that always applies known as the Inverse Square Law. It states that light… [Read More]

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How To Read Light Level With An SLR Camera?

April 18, 2010 • Leave a Comment

Using your SLR camera in manual mode, you can measure light level. Set camera ASA speed to 200. Set camera… [Read More]

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Metal Halide Safety And Fixture Recommendations

April 18, 2010 • Leave a Comment

HPS (High Pressure Sodium) lamps can burn in any orientation.
MH (Metal Halide) lamps come in three basic types:
*Base… [Read More]

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How Do I Manipulate The Photoperiod For Larger Yields?

April 18, 2010 • Leave a Comment

The only photoperiod manipulation from years of experiments that offered discernible improvements was this adjustment made for 1 or 2… [Read More]

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Can Black Lights Be Used For Growing?

April 18, 2010 • Leave a Comment

Black lights will not work for growing cannabis. They do not produce the correct spectrum of light to grow plants.… [Read More]

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How Can I Improve The Air Flow In Air Cooled Light Hoods?

April 18, 2010 • Leave a Comment

How can I improve the air flow in air cooled light hoods? Like many of you, I use Hydrofarm hoods… [Read More]

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Should I Use A Light Mover?

April 18, 2010 • Leave a Comment

Light movers are mechanical devices that, as the name implies, move an HID in a fixed pattern over a garden.… [Read More]

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PAR For Plants, Lumen For People

April 18, 2010 • Leave a Comment

While the lumens measurement is based on the sensitivity of the human eye to light, PAR Watts objectively measure the… [Read More]

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How Do I Build my own Cool Tube?

April 18, 2010 • 1 comment

Configuration
This type of fixture is very versatile. There are many different ways it can be configured:
*hanging or mounted… [Read More]