Hello. Strains are known for their effect. If you want a clear up head high, you do research and pick a good sativa or cross. If you don't want couchlock don't buy indica's. If you cut down indicas early you get more of a head buzz. What did you get. As for flushing, I extra flush. Yes I notice the difference in my finished product. Here's the test: Go now and cut some buds off and dry them without any flushing, save them in a air tight container. After you finish your smoke do a side by side taste test. See if you notice the taste difference. Of course flushing helps and the scientific name for the process is Osmoses. The ability of chemical transfer through a membrane. Please ask Mr. Google. Not everybody thinks the same. Do what you think is right. Good Luck .Chuck.