I switched all my foods to Cobalt because the other food I used scummed up my filter and clouded my water a gross pink color.
The product itself is great, been using it for years. The issue I had was that it is shown on the site as a "16 oz. Tub." It is not a tub, which I was hoping for, but rather a big plastic bag. Again, the issue is not the product, but the misleading description.
I have used this food for many years since I got into fish keeping my fish grow like weeds from this food