Bubble Magus SP2000 Replacement Impeller Bubble Magus SP2000 Replacement Impeller is a replacement needle wheel impeller for the SP2000 pump used with the Bubble Magus Curve 7 Protein Skimmer. It is used when the original impeller is worn, damaged, noisy, or no longer spinning properly. SP2000 Needle Wheel Impeller Compatibility Replacement needle wheel impeller for the Bubble Magus SP2000 pump. Compatible with the Bubble Magus Curve 7 Protein Skimmer. Helps restore pump rotation, air draw, and bubble production. Pump body is not included. SP2000 Impeller Service Notes Unplug the skimmer before servicing the pump. Remove the pump cover, take out the old impeller, clean the impeller chamber, then install the replacement impeller so it seats correctly. Restart the skimmer and confirm smooth operation and stable foam production. What's Included One Bubble Magus SP2000 Replacement Needle Wheel Impeller.