i have the emperor 400 filter on my 75 gallon fish only tank is this a good enough filter and is just the one filter ok, someone said they use 2 but i just want to know if one is ok for my tank thank in advance
depends on your st up, do you have lra nd a dsb, i have both and eventually removed my one emporer, i still use it for circulation, but that is it, no filters in it at all