@Anthony_Santoro Yes, it was an absolute nightmare. It seems my home made flow detection using float switches had been aerating the water. The tube design exacerbated this. I ended up submerging the return lines and replacing the water completely.
@Anthony_Santoro Yes, it was an absolute nightmare. It seems my home made flow detection using float switches had been aerating the water. The tube design exacerbated this. I ended up submerging the return lines and replacing the water completely.