My ammonia levels in my tank are not going to 0 after 18 days of cycling with safe start, I added more safe start at day 13 and still ammonia is at .50-1.0 ppm I was told NOT TO DO water changes right now because it will keep restarting my cycle, up untill day 13 I had done 3 25% changes. I called the place that told me not to do water changes for an update and he said I know its hard but you have to wait it out, and again instructed me not to do water changes. Does this have merit? or should i do what I think is right and change the water. Should I change the water without vacuuming the gravel? Please help, its impossible for me to wait this out. Im trying not to loose fish in this process