http://www.globaldialog.com/~jrice/algae_page/valonia.htm
http://www.reefcorner.com/SpecimenSheets/bubble_algae.htm
try that: valonia sp.
looks just like what my books picture showed and sounds like what you describe...not a good thing it sounds like
it could be halimeda, which is a marine macro algae/plant (im not sure which, i believe macro algae) which kind of looks bubbly
caulerpas are also sometimes bubbly, as aresgod points out, here is an article:
http://www.wetwebmedia.com/caulerpaalg.htm
http://www.reefcorner.com/SpecimenSheets/bubble_algae.htm
try that: valonia sp.
looks just like what my books picture showed and sounds like what you describe...not a good thing it sounds like
it could be halimeda, which is a marine macro algae/plant (im not sure which, i believe macro algae) which kind of looks bubbly
caulerpas are also sometimes bubbly, as aresgod points out, here is an article:
http://www.wetwebmedia.com/caulerpaalg.htm