strange reaction

[Rezz]

i tested some snowballs a day ago it went yellow (speed) and i left it for a day and when i came back it have foamed up and went greeny blue and i mean really foamed up what does this mean ??!?! i had taken the snowball b4 i tested it and already knew it was speedy i didnt feel ne other strange effects when i was up or commin down !! strange ne1 got ne ideas thanx

 

[johnboy]

er you left the solution for a day? um anything will go green and foamy after a day... it's only the first 30 seconds you need to worry about. always wash the solution off as soon a you've finished with it. it's sulphuric acidand you dont want to leave it lying about.