So if any of you have been to the blog section on here you will see a blog about Poly-Filter. Now I have a question. I have a 28 gallon AIO tank. In the back I have a small bag of carbon and some times the SeaChem Phosphate remover. The Poly-Filter (according to the blog) if placed in a high flow area is just like using carbon. Plus it removes a lot of other stuff from the water. I was wondering if anyone out here is using it? Also if I where to use it shoudl I take out my normal bag of carbon.?The bag is not that big and I would have to use a small piece of the Poly-Filter so that it would fit in the back.