All of the recipes on this page are based on achieving a post boil efficiency of 85%. You may need to make adjustments to the recipe to reflect the post boil efficiency of your brewing system.
All of the water chemistry additions are based on using Paraparaumu/Raumati/Waikanae tap water. Target water profiles are provided for each recipe to enable you to adjust these additions as required to achieve the target water profile based on the mineral content of the water you are using.
Ale RecipesPDF - Grainfather - Zymurgy Article & Recipe
No water chemistry information is included in the recipe provided by Vinnie. Targeting 300ppm of sulphate and a mash pH of 5.4 would be a good starting point.