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Hello Sigma (33) owners, Since 3 years we are proud owners of a Sigma 33 MH. Unfortunately we difficulties cleaning the deck. In our opinion these are waterspots / water stripes. See pictures below (click to expand). We have tried several products and also a high pressure cleaner to clean the deck, but until now with no result. Does anyone have good tips how to clean the deck? Greetings from the Netherlands, Marc

Below some pictures of the lift of the peak cabinet I did. The reason was that got stuck with my hip under the old cabinet when sleeping there. Another reason was the wear and tear of the upholstery of the sides and ceiling. original hights removed upholstery new upholstery lifted cabinets and new upholstery result

Hi Sigma 33 enthusiasts, I considering to buy a Sigma 33. During the first look it turned out, that the keel bolts have been changed about 6 years ago, but not the two most forward once. Therefore I would like to place a question about changing these particular keel bolts (blow the head compartment). Has somebody a rough idea about the effort to change the forward two keel bolts? These two bolts in the head area are looking quite rusty. Greetings Amalphi.