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Sunlight breaks through dark clouds, illuminating a calm lake and a distant shoreline.

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

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…

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humidity condensing on a leaf

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

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

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drought

Maintaining Grow Room Yields During Drought: Part III

Dehumidifier Condensate: Best Practices for a Clean Water Supply The last article focused on how dehumidifiers can provide a steady, renewable water supply for “free”…

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drought

Maintaining Grow Room Yields During Drought: Part II

water reclamation Your Dehumidifier Can Provide You with a Steady, Renewable Clean Water Supply Regardless of Drought  Dehumidifiers are essential to healthy yields, thanks to…

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drought

Maintaining Grow Room Yields During Drought: Part I

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…

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Two men speak into microphones, surrounded by cannabis plants and grow equipment in a well-lit indoor setting.

Dude Grows Podcast with Quest

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,…

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Lush green lettuce rows under bright fluorescent lights, reflecting in a shiny surface above.

Carbon Dioxide and Better Indoor Harvests: Part 3

Are you making the mistake of supplementing with CO2 at night? Don’t. Plants actually need oxygen, not CO2, at night—and they can provide it fine…

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quest-iq-series-equipment

Carbon Dioxide and Better Indoor Harvests – Part 2

With carbon comprising as much as 40% of the plant material in harvest yields, CO2 is a major plant nutrient that significantly drives plants’ growth…

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carbon dioxide molecule

Carbon Dioxide and Better Indoor Harvests – Part 1

Most of us think of carbon dioxide (CO2) as “bad,” thanks to today’s news of global warming, but without CO2, plants wouldn’t thrive. In this…

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Quest 205 Dual humidity control device logo with a headline about pesticide debate over Colorado's cash crop.

Control Humidity to Best Fight Powdery Mildew

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%…

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light

Let There Be Light – the Right Light

Robust Plant Growth and High Yields If you want healthy, robust plants that give you the best yields, you need the right humidity, temperature, and…

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Seedlings

For Robust Plant Growth Use the Right Temperatures

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…

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Quest 110 Dual dehumidifier mounted in a warehouse, with reflective panels and lighting fixtures surrounding it.

For Robust Plant Growth Maintain Proper Humidity Levels

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…

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Close-up of a green leaf covered in tiny, white, thread-like structures and droplets of moisture.

The Scourge of Powdery Mildew: Prevention Is Best

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…

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Close-up of a green cabbage leaf showing texture, veins, and a light dusting of powdery mildew.

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

POWERFUL & EFFICIENT COMMERCIAL DEHUMIDIFIERS FOR THE CANNABIS INDUSTRY

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Close-up of a green leaf covered in tiny, white, thread-like structures and droplets of moisture.

The Scourge of Powdery Mildew: An Overview

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…

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Two bright red apples hanging from a tree branch, surrounded by green leaves.

Look For Powdery Mildew

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…

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