Wet/dry Sump Kit For 30" X 12" X 13" 20 Gal L. Protein Skimmer Aquariu – modularmarine
LF2 wet-dry wet/dry trickle filter
18x18x36 Amiracle wet/dry filter. Came used with a 165 gallon acrylic former salt water tank. Switching the tank to freshwater never ran a sump before. Any advice on using the sump, setting