We found that cells produced more calcium carbonate under future ocean conditions, but had the same amount of organic carbon as in present conditions. (dotearth.blogs.nytimes.com)
We conclude that near future ocean acidification levels is not an immediate threat to the early life history stages of Great Barrier Reef corals in the foreseeable future. (coralcoe.org.au)
Both studies (which I have not seen) focus on warming in the pipeline and no doubt involve modelling of future ocean warming. (realclimate.org)