Growroom Design and Set-Up

How Do I Rig An Electric Float Switch Reservoir Controller?

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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...

Lighting Coverage Primer (Jackerspackle’s)

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A very general rule of thumb is that your garden needs 50 watts of HID lighting per square foot of illuminated area. This rule...

Stickydank’s Basic CO2 Method

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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...

Building your own Inline Fan

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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...

How Do I Install a Duct Fan to Operate Most Efficiently?

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Principles of effective ventilation Many growers own fans powerful enough to move air of a city block in Manhattan, but has failed to install it...

How Much Co2 Should I Add?

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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...

How Do I Power 12v Computer Fans?

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Quiet, low power and surprizingly efficient, computer fans are an ideal cooling option for smaller cabinet grows. The only problem is that most computer...

Should I Choose a Round or Square Pot for my Plants?

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Many growers across the world using the round type planters are wasting possible space in there grow rooms, if you want more freedom in...

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

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

How To Dampen Noise from PC Fans

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If you are trying to make use of a PC case fan, but finding it gets quite loud, this is for you! You will need...

How Much Ventilation Do I Need in My Grow Room?

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

How Do I Design a Fan Powered Cooling System for my...

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Introduction: Every serious growing box needs cooling. Most of us use air cooling because it is cheap and very effective. The following steps are used...

What Range Should I Maintain for my Growroom Humidity and Temperature?

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Daytime conditions should be 70-80 degrees without co2, 80-90 degrees with co2 until the last two weeks when daytime temps should be kept between...

How Do I add Ventilation to my Grow Area, What Can...

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How do I add ventilation to my grow area? There are a couple of considerations to observe when planning your ventilation, they’re pretty simple...

How Should I select my Grow Space?

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First, you should not put others at risk without their knowledge. This goes for your wife, kids, parents, live-ins or roomates. When LEO busts...

How Can I Vent Through The Sewer?

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A common alternative to venting up the chimney is venting into the sewer pipe. Depending on how your house is built, if you push...

420 Magazine Plant of the Month: December 2023

Apple Betty Plant of the Month
This month's winner of Plant of the Month is a bit of a monster, heavy with flowers. It's a greenhouse grow in Coco and yielded about 5lbs. A very worthy winner of our last...

420 Magazine Photo of the Month: December 2023

PhotoOTM Dec 2023 photo
The 420 Magazine Photo of the Month contest isn't about a plant or a nug - we have separate contests for those. The Photo contest is all about the quality of the individual photo...

420 Magazine Nug of the Month: December 2023

Nug OTM December 2023 nug
A very pretty winner this month. It's a colorful and frosty nug, all dried, cured and ready to smoke, of Marshmellow OG. The talented grower who picked this from his stash is Sparkey224, who...

420 Magazine Grow Journal of the Month: December 2023

Grow Journal of the Month Dec 2023 grow journal of the month
The 420 Magazine Grow Journal of the Month is voted for by our valued members. Every month nominations are submitted by members, and when it comes to voting we ask everyone to consider the...

Azimuth: 420 Member of the Month December 2023

Azimuth: 420 Member of the Month December 2023
For our 420 Magazine Member of the Month contest we're looking to thank those members that help and support our site in so many under recognized ways, such as: Greeting new members Helping people with questions Peacemakers Activism...

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