Surna Blog

Hot Spots and Your Plants

Posted by Celia Daly on Oct 1, 2015 7:46:53 AM

As discussed previously, it is important to make sure the correct measurement is being considered when choosing a bulb or reflector. Lumens measure brightness as seen by humans, but PPFD measures light density as seen by plants.

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Topics: cultivation, featured, indoors, lighting, Garden Set-Up, hot spots, PAR, PPFD, reflector

Think Cubic Feet

Posted by Celia Daly on Apr 30, 2015 7:05:25 AM

When designing a commercial cannabis cultivation facility, many people think in terms of square footage in order to determine how many plants they are able to grow. But, if your rooms are tall enough, why limit yourself to one level? Instead of thinking in terms of square feet, it is time to start thinking in terms of cubic feet.

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Topics: cannabis business, cannabis cultivation, featured, growing, indoors, cooling, facility design, Garden Set-Up, vertical, vertical farming

Mold Prevention through Proper Humidity Control

Posted by Celia Daly on Apr 16, 2015 7:51:18 AM

As of this writing, all recreational plants in Colorado and Washington must be tested for contaminants such as mold and bacteria (Colorado is currently working to require testing for medical marijuana as well). With the push behind legalization, there is also a push to ensure that the products consumers buy are safe for consumption. Gone are the days of people clamoring for any product they can find - legalization is turning people into savvy consumers.

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Topics: cannabis cultivation, climate control, cultivation equipment, featured, growing, indoors, dehumidifier, Garden Set-Up, humidity

Up-Potting: The Importance of Proper Potting

Posted by Celia Daly on Apr 2, 2015 4:17:27 PM

As your cannabis plants grow, they will frequently need to be moved into larger containers as available root space becomes limited. While it may be tempting to simply start plants in a 10-gallon pot and skip up-potting altogether, this will lead to water waste issues, smaller plants, and lower yields. Instead, plants should be started in a container that holds ¼ gallon to 1 gallon of growth substrate and gradually moved up to a larger volume flowering container.

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Topics: Cannabis Basics, cultivation, featured, growing, increase yield, indoors

Chilled-Water Cooling Basics

Posted by d_north on Oct 7, 2014 7:58:33 PM

While most people have heard of air conditioning, few have heard of water-chilled cooling. This makes it sound scary and new. But in reality, water-chilled cooling and heating have been around since the 70s and can regularly be found in hotels, hospitals and universities, as well as high-heat environments like server farms.

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Topics: climate control, cultivation, growing, indoors, chillers, energy efficiency, Garden Set-Up

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