Please help my cloud tank
Hi, I am new to this forum. I have an establishes fresh water tank, 30 gallon, with about five neons, one betta, three little white bottom catfish, and maybe one more. I've had quite a few die recently and I think my betta is about to die. I have gotten my water tested numerous times and they tell me it's perfect. The water continues to be cloudy. Even many days after I've done a water change it will just not clear up. I am getting so frustrated with it. I had goldfish for many years and never had this problem. I am losing sleep over this worrying about what to do. Any words of wisdom, help, and encouragement would be so greatly appreciated.