Bubble Magus Curve 5 Protein Skimmer Manufacturers Specifications. Needlewheel protein skimmer Capability: 500L (140G) Pump: ROCK - SP1000 Pump power: 8W, 220V 50Hz /110V 60Hz Dimensions: 185Ã—180Ã—470mm (7.28" * 7.08" * 18.5") Water Level: 9.5"-11"