How many canal in 30 acres?

How much energy can you get from a cup of water? What river runs northeast from great lakes? When does pool pump need to be backwashed? What skills must you have to get into the Stanford swim team? How can you prevent punctures to an above-ground pool liner over very rocky ground? Bodies of Water named after native Americans? How do you set up an Intex above ground pool? Why is it bad to go from a hot tub to a cold pool? How often does 15 ft inflatable pool need to be drained? How much sand does an average sand box need? Why do you get chest pains while you are swimming? What happens if a person does not shower with soap and uses only water? Are AIR WALK sport watches waterproof? Is it sky dive or in sky dove? When did people start to swim for recreation? How do swim diapers work? Why would pool equipment explode? Who are the female models for swim outlet? How long does it take a walk-in tub take to fill? Why do scuba divers exhale slowly as they ascend to surface?