What depth of seal should my trap have? 50ml water seal. By admin|2018-09-14T12:49:45+00:00March 12th, 2018|Installers - Wetrooms and Showers, Technical - Wetrooms and Showers| Share This Story, Choose Your Platform! facebooktwitterlinkedinreddittumblrpinterestvkEmail Leave A CommentYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.