Five inches deep, and each tier gets progressively smaller, which makes a louder, melodic seem since the 6 gallons of h2o stream by Every single tier. The submersible pump is provided, no plumbing or prep perform is required, and assembly is not hard—just fill with drinking water, plug in, and https://www.whofish.org/Default.aspx?tabid=45&modid=379&action=detail&itemid=287307&rCode=33