Casey02

Thanks very much, I have done a few water changes and have ceramic and sponges as filter media. Will just keep letting it mature slowly and add more fish in another few weeks. The fish look happy but I was worried as I know it's normal to have a small amount of Nitrates in the tank.

Hi there, I am new to the forum and have started a freshwater aquarium in a Red Sea Max 250. I have changed the lights to LED and taken the skimmer out replacing it with more filter media. I have had the tank running for 6 to 7 weeks. I planted a couple of days after filling and bought 6 danio's after 4 weeks. I have bought 5 more danios and some loaches which have been in the tank for a week or so. I am concerned that when I test everything is at 0, ammonia and the nitrites and nitrates, I really shook up the Nitrate testers and I am still getting a 0 reading. Is this harmful for the fish in anyway and do you think my tank has cycled? Thanks