So it, all by alone, will decrease the quantity of UV hitting the h2o quantity (as UV light passes into your h2o, it's just as likely to interact with a molecule of CYA as it's by using a chlorine molecule). This inherent UV shielding result is seen at greater levels of CYA.東洋大学除籍と東洋大学卒業ってそんなに違いますか？