PURG­ING THE SYS­TEM

Boating - - BOAT DOCTOR WEEKEND WORKBOOK -

Come spring, you need to purge the sys­tem of an­tifreeze. To do this, re­peat the first step. Cap­ture as much used propy­lene gly­col as pos­si­ble and dis­pose it prop­erly (see “An­tifreeze Dis­posal,” be­low). Then fill the stor­age tank with fresh wa­ter and re­peat un­til the sys­tem is purged of an­tifreeze.

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