"We're fortunate with the catchment area in Wicklow that the water coming to us is soft. Harder water would have higher levels of calcium, and that's something we don't need in stout brewing"
WTF???!??? <!-- s:shock: --><img src="{SMILIES_PATH}/icon_eek.gif" alt=":shock:" title="Shocked" /><!-- s:shock: --> <!-- s:shock: --><img src="{SMILIES_PATH}/icon_eek.gif" alt=":shock:" title="Shocked" /><!-- s:shock: --> <!-- s:shock: --><img src="{SMILIES_PATH}/icon_eek.gif" alt=":shock:" title="Shocked" /><!-- s:shock: --> <!-- s:shock: --><img src="{SMILIES_PATH}/icon_eek.gif" alt=":shock:" title="Shocked" /><!-- s:shock: -->
This goes against every home brew book says about using hard water to make stout.
It would appear that it's Vartry water, not Liffey water, that's in Guinness.