All over the world, questions pour in as to the distinctions between hard water and soft water and how these differences affect how and what plants are fed.

EC stands for electrical conductivity, which measures the potential for a material to conduct electricity.

What exactly causes a plant to flower? We do not yet have a complete answer to that question, but we do know a great deal about the mechanisms that trigger the response.

Plague. The word conjures up visions of rats crawling with fleas ready to leap on unsuspecting humans to infect them with the deadly plague bacteria yersinia pestis.

Rockwool, a lightweight hydroponic substrate is made from spinning molten basaltic rock into fine fibers which are then formed into a range of cubes, blocks, growing slabs and granular products.