DUDE!!!!! i know what to do im not going to put fish in there right away im not and idiot i know these thing why do you think i have a better rank than you..... CAUSE I HAVE BEEN ASKING QUESTIONS!!! im studying up on this hobby before i start it duh! you have to wait for it to do a fishless cycle and then you can add SOME fish not all your fish and then you wait longer for it to cycle again and add fish and repeat it. im not starting this hobby and gonna be like "uhhh i think ill put some chlorine in that tank to clean the fishies and the walls" im NOT gonna be like that i can tell you that much im studying up i know most of the issues that i need with the tank and if i need help ill ask my dad he used to have a 125 gallon tank for 4 years until copper got into the water but he still remembers what to do so im not starting out like an idiot ok.......