thanks it worked today ... i dont know what happen.. wow as for water quality all i can say is that i tested it and its all seem fine only one i didnt test is the ph level as i dont have that one and im waitiing on someoen to come and check the filter as i cant figure out how to take it apart i tried and didnt suceed on removing hte tube from the canister as i got this second hand and was put togethr by some one and she was supposed to come this mth sometimes so hopefully she will send me email as i lost her email addy grrrrr im so pissed off if i dont hear from her soon ill have to go to big als and get someone to come and clean it for me and show me how to use it she tried but as it didnt need to be cleaned so its been this mth will be 3 mths at the 20th ... but its a cycled tank and i cant figure out why this break out started and i know im not over stocked and stuff so ... what can i say