RXSOL-20-2047-210 Direct after discharge flush lines and tanks thoroughly with hot fresh water or demi water and recirculate. This is done to bring the freezing point down prior to the prescribed tank cleaning procedure. Demi water will be used if the pre-wash quantity can be pumped ashore. 1) Butterworth the tanks 1, 5-2 hours with hot seawater or freshwater (80°C). 2) Prepare the following ...