According to the MSDS, Lime-It, which is proferred as a pesticide for aquatic plants, contains: Ca(OH)2 including some MgO In other words, it is just plain ol' hydrated lime. Scott H. __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com ------------------ To unsubscribe from this list, please send mail to majordomo@thekrib.com with "Unsubscribe aga-member" in the body of the message. Archives of this list can be found at http://lists.thekrib.com/aga-member/