Mark Wittman is a passionate agronomist with more than 30 years of experience in commercial growing and 15 years of experience in coconut coir R&D. He's worked around the world, designed many coco manufacturing sites in Asia, and is now a partner at California Substrates where he is focused on designing and providing the best coconut coir to North American Growers.
The widespread use of calcium and magnesium supplements in the indoor gardening industry is an indication that many growers have discovered the cation exchange capacity...
How EC and TDS are related, and where exactly PPMs fit into the equation of a hydroponic garden.
For every new set-up, growers have to work out the details of how much water to provide their plants, and how often it is applied. They have to take into account the...
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