Maximum Yield USA 2015 April | Page 88

Buffering Up: Adjusting the Cation Exchange Capacity in Coco Growing Media by Mark Wittman 86 The adjustment of the cation exchange capacity of grow media, referred to by many as the buffering of grow media, is a subject that most hydroponic growers could benefit from knowing a bit about. Mark Wittman provides growers with a technical look into this process and how buffered media has a big impact on what you feed your plants. Maximum Yield USA  |  April 2015