To look for a leak inside your pool or fountain, put a bucket on the highest step on the pool and fill it with drinking water (also relates to fountains). Put a piece of tape on the inside and the surface on the bucket and mark the drinking water amount http://plumbing-leaks02346.ezblogz.com/22407723/the-smart-trick-of-plumbing-leaks-that-no-one-is-discussing