The IceCap Reef Sumps were developed and built around the requirements of a modern day reef aquarist. These sumps will exceed any and all expectations with attention to detail, practical design and overall aesthetic appeal. The IceCap Reef Sump was constructed to adapt to your filtration needs with adjustable baffles with probe holders and plenty of room for the equipment such as skimmers, heaters, return pumps and reactors. Five sizes to choose from.