In the formal language of economics, X and Y are substitutes if the demand for X increases when the price of Y increases, or a positive cross elasticity of demand.
Potting mix is the material that goes into a garden pot before you put seeds and plants into it. 1  It keeps the plant in place. 2  It holds water for the plantâs roots to soak up.  It contains nutrients that feed the plant.
How to make marijuana wax, the 'meth of the weed world'. If youâre tuned into the world of cannabis, you know âdabbingâ is the latest way people are getting high. It involves consuming highly concentrated forms of marijuana made from extracting THC using butane gas, resulting in a hard, wax-like preparation. Itâs called âdabbingâ since it only really takes a dab to do you in. Average concentrates range from 60-90% of potency for any specific type of cannabanoid (the compound responsible for marijuanaâs psychoactive effects); the highest potency marijuana gets to is about 30%. But making waxâor âblastingâ itâcan be somewhat of a dangerous process, especially when amateurs try it.