You need to get an aquarium hood that fits your tank and also put something heavy to hold the lid in its position..
Besides that, you need to know what you did wrong.. Losing 5 fish in a row means there's something wrong with either your setup or maintenance.. Probably even both..
Besides that, you need to know what you did wrong.. Losing 5 fish in a row means there's something wrong with either your setup or maintenance.. Probably even both..