Some people with chest pain have normal or minimal narrowing of heart arteries; in these patients, vasospasm is a more likely cause for the pain, sometimes in the context of Prinzmetal's angina and syndrome X.
You are here. Pure Live Seed. Pure live seed (PLS) is a measure used by the seed industry to describe the percentage of a quantity of seed that will germinate. PLS is obtained by multiplying the purity percentage by the percentage of total viable seed, then dividing by 100.
Regular marijuana seeds will be 50% male, and 50% female. That means half of the seeds will be unusable as far as growing buds. One way around this is to purchased feminized seeds online. These seeds are available from all reputable online seedbanks, and the plants produced by these seeds are always female.