"Dissolved Oxygen - Environmental Measurement Systems" http://www.fondriest.com/environmenta… Dissolved Oxygen dissolved oxygen Dissolved Oxygen Dissolved Oxygen Dissolved Oxygen Levels and Aquatic Life Dissolved Oxygen this Sauerstoffgehalt von 3-5 mg/l ca. 12- 24 Stunden lebih lengkap tentang oksigen laut disini "Dissolved Oxygen - Environmental Measurement Systems" Dissolved Oxygen dissolved oxygen Dissolved Oxygen