I just looked at my pineapple cider and saw some strange foam on the top :-\ and I read about maloacitic fermentation and it gives the best apple cider but this is an other apple..
(http://i741.photobucket.com/albums/xx52/duvellover/2014-03-27200632.jpg)
(http://i741.photobucket.com/albums/xx52/duvellover/2014-03-27200624.jpg)
(http://i741.photobucket.com/albums/xx52/duvellover/2014-03-27200617.jpg)
edit: it still smells great.. the smell is still like a sweet realy overripe pineapple with a hint of apple.