i should have posted in this forum to begin with but ill give you the link to general aquaria where its at. somebody mentioned baby oil so after you read you can confirm or let me know if theres something better to use.
http://www.monsterfishkeepers.com/forums/showthread.php?435319-some-ideas-needed
http://www.monsterfishkeepers.com/forums/showthread.php?435319-some-ideas-needed