How long can Sentinel X800 Fast Acting Cleaner be left in the system?

Sentinel X800 Fast Acting Cleaner is non-aggressive and will not harm the system in any way. The recommended time to leave the Sentinel X800 Cleaner in your system is anywhere from 1-20 hours, but to ensure a complete clean, it should be thoroughly drained and flushed from the system before final filling and treating with an inhibitor.


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