To dream of a hose represents a conscious direction of energy. Total devotion to a problem or issue. Not caring about anything except a particular issue. Totally focused on something you are responsible for. A sign that something may have gotten out of control or is threatening to. Streamlining decisions or your focus. Negatively, a hose may reflect obsessions or distractions.
To dream of a garden hose represents issues you are totally devoted to in a confident or casual manner. You are totally focused on an issue without feeling it's too serious. It may reflect non-threatening obligations or responsibilities.
To see a hose hooked up to something negative or evil represents negative thinking patterns or situations that may be worsening or getting out of hand.
To dream of a fire hose represents a total devotion to confronting problems, or fixing a situation that may have gotten out of hand.