Preserving fruit with a boiling water bath canner can use large amounts of water. Not only is the canner large but you need water for blanching and cooling when peeling stone fruit and tomatoes. You need water to make the syrup. You may use a sink of hot water to keep your jars warm. If you warm your lids, you need more water. Canning fruit and tomatoes can take an awful lot of water! So what do you do if you have water restrictions or a limited supply? Visit this page for some ideas.