Thanks Big Pete,

Just signed back on and only just read your post.

thanks for the tips and will get back with any results

Cheers
1moley

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Hello all, We have two auxilliarys that before drydock and full overhaul were filled with distilled water and unitor cooling water treatment. Post overhaul both have the same problem. Post major overhaul we are now using hard shore water. Since the overhaul almost immediately water has turned dirty/...

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