Homepage › Forums › Fossil Prep Tips & Tricks Forum › Possible bryozoan need to work on Tagged: bryozoan cleaning This topic contains 0 replies, has 1 voice, and was last updated by David Powers 5 months, 2 weeks ago. Viewing 1 post (of 1 total) Author Posts June 25, 2018 at 6:02 pm #39451 David PowersParticipant I have a possible bryozoan I want to clean up. maybe remove some of the limestone matrix. I’m not sure the best way to do this. The spaces are very small between the branches. I could use some good tips. I know I can use acid. The tubes look hollow. Cheers David Attachments:You must be logged in to view attached files. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.