Coolant and heater core flush

[MASTER MARINER]

Newbie, please forgive inappropiate forms or posting etiqutte.
Does anyone know of a distributor for RMI-25 in Mass.? Tried NAPA and others to no avail, carried Prestone but no RMI-25.
Was thinking perhaps Marine Diesel shop, any thoughta appreciated, and again my appologies and thanks.

 

[Leaping Deer]

Never heard of it. But I heard Attlas uses CLR to clear his heater cores before he rebuilds his heater boxes.