As a Native American symbol, the Horse symbol meanings combine the grounded power of the earth with the whispers of wisdom found in the spirit winds. The Horse has long been honored has helper, messenger, and harbinger of spirit knowledge.
Average requirement for a healthy adult will be about 2-3 liters, depending generally on body mass and activity level. This translates to about 10-13 eight ounce glasses, slightly more than the 8x8 rule (8 eight ounce glasses) that is usually spoken of. If this seems like a lot of water, it is.
Back in 1945 the Food and Nutrition Board of the National Research Council stated that adults should take in about 2.5 liters of water per day (which is roughly the equivalent of eight glasses of water), but it also noted most of that intake level was already satisfied through the consumption of food without the need for the additional drinking of water.