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Part 2: Why is VPD Important? Written by Mike Steffes – Quest Dehumidifiers Why Vapor Pressure Deficit is Important Plants survive and grow using sunlight,…

Part 2: Why is VPD Important? Written by Mike Steffes – Quest Dehumidifiers Why is Vapor Pressure Deficit Important? Vapor Pressure Deficit, or VPD for…

Keep Dry Posted by Cannabis Product News – Solutions for a Growing Industry MADISON, Wis. – A long-time partner of the cannabis industry is looking…

The Key to Perfect Irrigation in Your Grow Room Commercial growers use basalt (or basaltic) mineral wool in their hydroponic growrooms, and you should consider…

Date: June 13, 2016 Contact: Jake Miller, 608-268-5318, jake@lsb.com Editor’s note: Clif Tomasini, Quest Dehumidifier product manager, is available for phone interviews as well as…

Part II: Effects of Root Oxygen Starvation, Methods of DO Production, and Effective Aeration and Nutrient Delivery Plants grown in a hydroponic system need dissolved…

Part I: What Is It and Why Do Plants Need It? There’s a lot to concentrate on if you’re to keep your plants healthy and…

Part IV: Fluorescent and LED Lights While HID lights are the heavy hitters in grow rooms when plants need the most light, both fluorescent and…

The Perfect “Red and Blue” Team. High Intensity Discharge (HID) lights are the most popular of the grow room lights used. There are two kinds:…

Part II: Metal Halide Lights HID lights , or High Intensity Discharge lights , are among the most popular of the grow room lights. That’s…

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…

By Rick Romell of the Journal Sentinel Jan. 3, 2016   The rapidly growing marijuana industry — legal to some degree in much of the…

Part III: Dew Point Temperature There are three ways to measure moisture in a grow. Relative humidity (%RH), grains per pound , and now, dew…

Part II: Grains per Pound (GPP) As we discussed last time, relative humidity (%RH) is a way to measure moisture in your grow room’s air.…

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…

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…

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

Part I: 3 Keys to Keeping Your Water Needs Modest Drought has recently become a major concern for some growers. States like Washington, California, and…

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

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,…

Part 3 Are you making the mistake of supplementing with CO 2 at night? Don’t. Plants actually need oxygen, not CO 2 , at night—and…

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

Part 1 Most of us think of carbon dioxide (CO 2 ) as “bad,” thanks to today’s news of global warming, but without CO 2…

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%…