I have been doing saltwater for about three months i lost alll my fish last week in my 72gal tank so i downsized to a 40gal with 10 gal sump and i need help to set up the sump. the sump has 4 chambers firsl where the water comes in the a larg open chamber where it is open then a small chamber with a corse spunge. then the return chamber i dont know how to set thhis up i want to do a refugium in the large chamber but i also want to put chemi pure in the filtration but dont know where or how to put anything. Please help!!! any ideas?


