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Lighted incandescent light bulb The Different Grow Room Lights and How You Use Them – Part III: High Pressure Sodium Lights

The Different Grow Room Lights and How You Use Them – Part III: High Pressure Sodium Lights

Feb 01 2016

High Intensity Discharge (HID) lights are the most popular of the grow room lights used. There are two kinds: Metal Halide (MH) , which we…

Metal Halide Grow Room Lights The Different Grow Room Lights and How You Use Them – Part II: Metal Halide Lights

The Different Grow Room Lights and How You Use Them – Part II: Metal Halide Lights

Jan 25 2016

HID lights , or High Intensity Discharge lights , are among the most popular of the grow room lights. That’s because they are proven to…

The Different Grow Room Lights and How You Use Them- Part I: An Overview

The Different Grow Room Lights and How You Use Them- Part I: An Overview

Jan 18 2016

Let there be Light In general, a grow room needs light, light, and more light. The indirect lighting many houseplants do fine with won’t work…

Some state companies find opportunity in growing market for legal marijuana

Some state companies find opportunity in growing market for legal marijuana

Jan 12 2016

Andy Manis / for the Journal Sentinel; Clif Tomasini, project manager at Therma-Stor, stands next a Quest dehumidifier manufactured in Madison. The dehumidifiers are sold…

Condensed water vapor on grass Water Vapor in Grow Rooms: Moisture, and How to Measure It Part III: Dew Point Temperature

Water Vapor in Grow Rooms: Moisture, and How to Measure It Part III: Dew Point Temperature

Dec 10 2015

Relative humidity (%RH), grains per pound , and now, dew point temperature: All three are ways to measure moisture in the grow room. What is…

Moisture droplets on leaf Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part II: Grains per Pound (GPP)

Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part II: Grains per Pound (GPP)

Dec 01 2015

As we discussed last time, relative humidity (%RH) is a way to measure moisture in your grow room’s air. Today, we’ll talk about “grains per…

humidity condensing on a leaf Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part I: Relative Humidity

Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part I: Relative Humidity

Nov 23 2015

Plants need airborne moisture, and the water vapor (or humidity) in your grow room can determine how healthy your plants are. Healthy plants require proper…

drought Maintaining Grow Room Yields During Drought: Part III

Maintaining Grow Room Yields During Drought: Part III

Oct 27 2015

Dehumidifier Condensate — Best Practices for a Clean Water Supply   In the last article , we talked about how your dehumidifier can provide you…

drought Maintaining Grow Room Yields During Drought: Part II

Maintaining Grow Room Yields During Drought: Part II

Oct 09 2015

Did You Know? Your Dehumidifier Can Provide You with a Steady, Renewable Clean Water Supply Regardless of Drought   Dehumidifiers are essential to healthy yields,…

drought Maintaining Grow Room Yields During Drought: Part I

Maintaining Grow Room Yields During Drought: Part I

Oct 01 2015

Drought has recently become a major concern for some growers. States like Washington, California, and Oregon are seeing major drought issues- water is becoming increasingly…

Grow Room Dehumidifiers: Capacity and Settings

Grow Room Dehumidifiers: Capacity and Settings

Sep 02 2015

This grower installed a dehumidifier system and wasn’t sure that the dehumidifier had enough capacity. The grower also had questions about the best setting for…

Dude Grows Podcast with Quest

Dude Grows Podcast with Quest

Jul 28 2015

Demystifying Dehumidification: A Chat with QUEST’s Clif Tomasini- Are you using a standard residential dehumidifier in your growroom? Beware; you’re setting yourself up for failure,…

Carbon Dioxide and Better Indoor Harvests: Part 3

Carbon Dioxide and Better Indoor Harvests: Part 3

Jul 07 2015

Are you making the mistake of supplementing with CO 2 at night? Don’t. Plants actually need oxygen, not CO 2 , at night—and they can…

quest-iq-series-equipment Carbon Dioxide and Better Indoor Harvests – Part 2

Carbon Dioxide and Better Indoor Harvests – Part 2

Jun 29 2015

With carbon comprising as much as 40% of the plant material in harvest yields, CO 2 is a major plant nutrient that significantly drives plants’…

carbon dioxide molecule Carbon Dioxide and Better Indoor Harvests – Part 1

Carbon Dioxide and Better Indoor Harvests – Part 1

Jun 16 2015

Most of us think of carbon dioxide (CO 2 ) as “bad,” thanks to today’s news of global warming, but without CO 2 , plants…

Control Humidity to Best Fight Powdery Mildew

Control Humidity to Best Fight Powdery Mildew

May 15 2015

April 23, 2015 Confusion Over Pesticide Rules Presents Conundrum for Colorado Growers “John Andrle, the owner of Denver rec shop L’Eagle Services, estimated that 95%…

Laboratory Test Results: Condensate Water

Laboratory Test Results: Condensate Water

May 14 2015

Ever wonder what is in the water that comes out of a dehumidifier?  Some might guess heavy metals, but what does a lab test say?…

light Let There Be Light – the Right Light

Let There Be Light – the Right Light

May 13 2015

For Robust Plant Growth and High Yields: Let There Be Light – the Right Light If you want healthy, robust plants that give you the…

Seedlings For Robust Plant Growth Use the Right Temperatures

For Robust Plant Growth Use the Right Temperatures

May 01 2015

In order to grow properly, plants need proper humidity, temperature, and light. Too little or too much of any of these elements could mean overly…

For Robust Plant Growth Maintain Proper Humidity Levels

For Robust Plant Growth Maintain Proper Humidity Levels

Apr 23 2015

To grow properly, plants need proper humidity, temperature, and light levels. If plants get too much or too little of these elements, the resulting stress…

The Scourge of Powdery Mildew: Prevention Is Best

The Scourge of Powdery Mildew: Prevention Is Best

Mar 11 2015

Once powdery mildew develops, there’s always a chance that traces of it will remain in your harvest — even if you treat and try to…

The Scourge of Powdery Mildew: How Do You Treat It Once It’s Occurred?

The Scourge of Powdery Mildew: How Do You Treat It Once It’s Occurred?

Feb 24 2015

How Do You Treat It Once It’s Occurred? Let’s Talk! Quest is the industry leader in energy-efficient dehumidification solutions in the agriculture industry. If you’ve…

The Scourge of Powdery Mildew: An Overview

The Scourge of Powdery Mildew: An Overview

Feb 11 2015

What’s that powdery white stuff that’s suddenly appeared on your plants? Although it may look benign, it’s actually a fungal disease called “powdery mildew.” What…

Look For Powdery Mildew

Look For Powdery Mildew

Oct 23 2014

Some powdery mildew fungi, especially those on rose, apple, and cherry are favored by high humidities. Overcrowding and shading will keep plants cool and promote…