According to the "Water" page in the on line user's guide, "You can also adjust inventory by editing the inventory field for this item, and set the price (used for future recipes) using the Set Price button." I cannot figure out how to add water to my inventory much less set a price for it. The water here in Austin sucks and I've been brewing with spring water I buy from the store instead. I'd like to be able to include the cost of my water in the total recipe cost. Where am I going wrong?