Mrgc8257 Posted August 27, 2019 Share Posted August 27, 2019 Hello. I have finished my loop a week ago. I ran demineralised water in it a few times to clean it out then changed too XL5 clear coolant. Now I have a white on the nickle looks like water spots / marking. What is the best way to clean or fix this or what has happened. All parts are Corsair. Link to comment Share on other sites More sharing options...
Corsair Employee Corsair GregX Posted August 29, 2019 Corsair Employee Share Posted August 29, 2019 Hi, Demineralized water is unfortunately not the best liquid to flush. We recommend to use distilled water. Are these spots present only in the CPU water block or also in any other part of your custom cooling system? Could you provide a few different angle pictures of CPU water block internals and other parts if these spots are present. Most likely, these will not go away with simple flush. A thorough clean with soft brush will be needed but prior to doing so let us check on more images. Link to comment Share on other sites More sharing options...
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