impeller shaft

Hi all, Just a quick one. I am looking at modifying an old tank and the first thing that popped into my head is the Impeller. I have removed it from the filter but how can I tell if it is Ceramic or Mild Steel? I would need a Ceramic one to prevent rusting from salt water. Even the...

Has anyone managed to remove the impeller head from the Red Sea pumps?

So I noticed my return pump on my IM fusion lagoon was noisy. I forgot to put the suction cups back on the bottom after doing some maintenance. However, in the process of putting it all back together, I snapped the impeller shaft.... I don't need a whole new pump or even a new replacement...