Aladdin Easily retrofit an existing pond with this skimmer unit. Requires water suction from intake side of a pump to operate. Minimum rate is 800 gph. Also requires a 1 1/2” minimum side wall or floor port to “tap into” suction pump. A rigid or flexible liner can be retrofitted to use this skimmer by adding a bulkhead fitting to the wall or floor of a pond. The float ring weir has up to 5 1/2” of vertical travel to allow for water changes, etc. The skimmer has a 1 1/2” NPT female thread in the bottom of the skimmer suction line hook up. Item # 750B-A.   About US | Contract Info | Water Plants | Pond Supplies | Pond Planner | PDF Catalog | Customer Login Updated July 17, 2009 9:18 AM