Marineland K2 Biological Media 95 Grams, for Biological Aquarium Filtration, Fits Penguin and Emperor Pro Media Baskets

I have 2 emperor 450 pros going and i have not been able to get k2 to move around in the media baskets at all. No matter how full the basket is this media wont circulate. The basket is so small its rediculous to even say that it can circulate. So im sticking with the intake sponge then ceramic rings everywhere i can fit them inside the filter and i use the cartriges that are made for the filters and i run them through the dishwasher when they get really nasty and use them over and over and i use bags of ceramic rings behind the cartriges. I also like to use a microfiber pad cut out in the shape of the cartriges. I have to change the microfiber out about every 5 days and then i soak them in bleach and run them through the washing machine. I use them over and over. If u want crystal clear water u almost have got to use some microfiber.

I brought this from a pet store and they're shaped like k3 but with a smooth outside, which reduces surface area.