Posted by MIKE on April 29, 2001 at 07:46:32:
I HAVE A NEW HB SMITH CAST IRON STEAM BOILER IT HAS BEEN RUNNING FOR ABOUT 8 MONTHS NOW SULFITE AND PHOSTPHATEAND RETURN LINE TREATMENT IS ADDED TO THE CONDENSATE TANK VIA PUMP I CANNOT SEEM TO GET THE CHLORIDES READINGS BELOW 250 BLOWING DOWN DOES NOT SEEM TO HAVE ANY EFFECT SUGGESTIONS