David Kessler

David Kessler heads research and development at Atlantis Hydroponics and writes for their popular blog. David has more than two decades of experience and multiple degrees from the State University of New York. An accredited judge for the American Orchid Society, he travels the world judging events. Follow his blog at atlantishydroponics.com
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Articles by David Kessler


Organic Pest Control: Diatomaceous Earth & How to Apply It Organic Pest Control: Diatomaceous Earth & How to Apply It Organic Pest Control: Diatomaceous Earth & How to Apply It Organic Pest Control: Diatomaceous Earth & How to Apply It


The tiny skeletons of microscopic creatures can be a gardener’s best friend when it comes to organic pest control. David Kessler offers...

Is there a Light at the End of the Tunnel? A Look at LED Technology in Horticulture Is there a Light at the End of the Tunnel? A Look at LED Technology in Horticulture Is there a Light at the End of the Tunnel? A Look at LED Technology in Horticulture Is there a Light at the End of the Tunnel? A Look at LED Technology in Horticulture
Drying and Smoking Harvests: How to Improve Longevity and Flavor Drying and Smoking Harvests: How to Improve Longevity and Flavor Drying and Smoking Harvests: How to Improve Longevity and Flavor Drying and Smoking Harvests: How to Improve Longevity and Flavor


So, you have been bulking up your knowledge and skills as a grower, and your garden has produced more than you could possibly use. You find...

Maintain Your Differences: A Guide to Daytime and Nighttime Temperature Differential Maintain Your Differences: A Guide to Daytime and Nighttime Temperature Differential Maintain Your Differences: A Guide to Daytime and Nighttime Temperature Differential Maintain Your Differences: A Guide to Daytime and Nighttime Temperature Differential


We have all had that friend that needs to control everything, from where you eat to what movie you see. While that friend might need to...

How Nutrient Antagonism Leads to Nutrient Deficiency in Plants How Nutrient Antagonism Leads to Nutrient Deficiency in Plants How Nutrient Antagonism Leads to Nutrient Deficiency in Plants How Nutrient Antagonism Leads to Nutrient Deficiency in Plants


Even plants being fed nutrients can become deficient. Here's why.

New Trends in Horticultural Lighting Technology New Trends in Horticultural Lighting Technology New Trends in Horticultural Lighting Technology New Trends in Horticultural Lighting Technology


Plant-specific lighting is continually evolving, which is giving indoor growers more options than ever. From double-ended HIDs to...

Let’s Talk About Plant Sex Let’s Talk About Plant Sex Let’s Talk About Plant Sex Let’s Talk About Plant Sex


At a certain stage in every plant’s life cycle, all the plant wants to do is get busy and make lots of babies so its genes carry on. But...

Maintaining a Mother Plant: A Guide to Best Practices & Common Issues Maintaining a Mother Plant: A Guide to Best Practices & Common Issues Maintaining a Mother Plant: A Guide to Best Practices & Common Issues Maintaining a Mother Plant: A Guide to Best Practices & Common Issues


To ensure your mother plant provides vigorous cuttings, you must customize the fertilization schedule. Many growers feed mother plants a...

Getting Hot & Heavy: Dealing with Heat in Growrooms Part 2 Getting Hot & Heavy: Dealing with Heat in Growrooms Part 2 Getting Hot & Heavy: Dealing with Heat in Growrooms Part 2 Getting Hot & Heavy: Dealing with Heat in Growrooms Part 2


When building a growroom, functionality needs to be your primary concern. That means choosing the right equipment for the job. Here are...

Getting Hot & Heavy: Dealing With Heat in Growrooms Getting Hot & Heavy: Dealing With Heat in Growrooms Getting Hot & Heavy: Dealing With Heat in Growrooms Getting Hot & Heavy: Dealing With Heat in Growrooms


From the electricity that goes into your ballast, to the light emitted from your lamp, every bit of energy that is not turned into light is...

Root Aphids: The Ninjas of the Plant Pest World Root Aphids: The Ninjas of the Plant Pest World Root Aphids: The Ninjas of the Plant Pest World Root Aphids: The Ninjas of the Plant Pest World


What used to be a more prevalent problem on the West Coast has now become a crisis nationwide. Root aphids are increasingly being found...

Spring Raised Bed Vegetable Gardening Spring Raised Bed Vegetable Gardening Spring Raised Bed Vegetable Gardening Spring Raised Bed Vegetable Gardening


Spring is here and it’s time to think about your outdoor garden. Raised garden beds are a good choice for areas that lack healthy, rich...

The Rules of Growing The Rules of Growing The Rules of Growing The Rules of Growing


No matter your schedule or living situation, there is a type of garden that will fit your lifestyle, and the rules on how to run it are the...

Lumens are for Humans and PAR is for Plants Lumens are for Humans and PAR is for Plants Lumens are for Humans and PAR is for Plants Lumens are for Humans and PAR is for Plants


What works best for us humans is not always best for the plants we are growing in our gardens. David Kessler explains light from a plant's...

Genetic Modification of Flavor and Aroma in Fruits and Flowers: Is the Future GMO? Genetic Modification of Flavor and Aroma in Fruits and Flowers: Is the Future GMO? Genetic Modification of Flavor and Aroma in Fruits and Flowers: Is the Future GMO? Genetic Modification of Flavor and Aroma in Fruits and Flowers: Is the Future GMO?


Consumers have long complained about the lack of flavor in genetically modified foods. However, scientists are now trying to use those same...

An Element Too Good to Pass Up: The Benefits of Silicon An Element Too Good to Pass Up: The Benefits of Silicon An Element Too Good to Pass Up: The Benefits of Silicon An Element Too Good to Pass Up: The Benefits of Silicon


All-miracle cures for the garden are snake oils, right? Well, what if we were to tell you that one of those marvels is real, as well as the...

Interpreting a Water Report: How to Make the Most of the Information You Have Interpreting a Water Report: How to Make the Most of the Information You Have Interpreting a Water Report: How to Make the Most of the Information You Have Interpreting a Water Report: How to Make the Most of the Information You Have


Getting a water quality report is one thing, but interpreting the findings is a whole other game. Here, David Kessler shows us in the ins...

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