Hi, and thanks for your reply, i actually dont have all nine tanks...8 are still at my dads place as i dont drive, me and my friend carried one home with all the fish that were still alive as they turned the electricity off before i could get there, so unfortunately i only have around 10 guppies now...as the rest have died...i am going to bring some of the water, and plant life from the other tanks as suggested to help cycle the one i have...which has a bio filter and a heater and lighting, i am a total novice..never even had a goldfish, but they have grown on me so much...especially the little water snail that keeps slding up the side of the glass..im eager to keep it alive. Thanks so much for all the advice youve given it is really helping me to get an idea of the task that lies ahead...i have also found some test strips at my dads..for nitrate..which im going to be doing...also can i ask is it wise or unwise to use a water filter for the tap water as you would if you were going to drink it for the fish?..and also im very worried about keep taking them out of the tank....i imagine this can be distressing to them...is there anything i can do to make the process more comfortable?...thanks in advance...