/www.fishforums.net/index.php?showto...p;hl=ocean+rock
/www.fishforums.net/index.php?showto...p;hl=ocean+rock
) so what shall i do im in a bit of a dilema 
we havent got any ro water spare could i use tap water or purifed water? or .... shall i wait until i go back to the lfs to pick some ro up ?
also what is the perfect ph because i cant seem to come acroos that any where