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What happens to the deposits that RMI-25 has dissolved?
The rust, mineral, and other deposits that RMI-25 Cooling System Treatment dissolves become a soft, floating harmless material in the cooling liquid. These deposits are purged from the system into the coolant recovery tank. On large diesel engines, the deposits are safely caught in the coolant filter where they can be manually removed when the filter is replaced. Where no recovery tank or filter is used, it may be necessary to drain the radiator. Find out more …