Allan writes, The purpose of the filter course is to prevent fine soil medium particles from washing into the drainage layer causing clogging or reduction of the drainage capacity of the drainage layer.
Just how much caffeine is too much? For the average person, up to 300 mg of coffee a day, or two to four cups of the average brewed coffee, is a moderate amount that isn't harmful. But once you hit more than four cups, you may experience less-than-desirable side effects.
But with 100 million Americans like you drinking coffee every day, the bucket easily overflows to make the US the worldâs top coffee consumer, according to the International Coffee Organization data used in the infographic. Thatâs enough to perk up a big chunk of our economy, or to be precise, $18 B spent for coffee last year.