User talk:Darren martens

February 2015
Please refrain from making unconstructive edits to Wikipedia, as you did at Iodine clock reaction. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Administrators have the ability to block users from editing if they repeatedly engage in vandalism. Thank you. Melcous (talk) 04:15, 16 February 2015 (UTC)