hi

and merry xmas ,i would like to ask u a ?as it been on my mind how can it be ??i went to the
LFS and was told that they clean there tanks every week take all the water out clean the gravel put new water back in .what about cycling ?i asked and was told that the fish are fine (?)i dont know if they wash the filter medium ?,i did find one dead fish but how can this be ?as i only learning i just have to ask ?i wont be buying fish at that shop .feeling abit confused thanks for your time
