filtration advice

Hi all, looking for recommendations on what other media to put in my AIO back filter chamber(s). Right now its just filter floss in chamber one, and seachem matrix in chamber 2. I have extra amounts of matrix (bio media) to compensate the “small” amount of rock i have in display. i have lots of...

I just ordered the inTank ch1 filter media box because the stock filter is going to become a nitrate heaven. I was wondering on what kind of media I should put in it? I did order filter floss to place at the top of the media basket as well as Marine Pure Gems

What would I have to change to use a sump instead of a Fluval fx6 and Fluval 407? Display tank is 125 gallons, I want the sump tank to be 55 gallons. Any advice on setting up a divider/baffle free sump tank? Can I successfully set up a sump for less than what a Fluval fx6 costs if I already have...