http://disqus.com/people/6be6c281a178d2dabeeecebe8ec68a60/enFri, 28 Mar 2008 12:01:46 -0000http://ohgizmo.disqus.com/ohgizmo_raquo_archive_raquo_hydro_physio_lifestyle_water_resistance_treadmill/#comment-1764851The water doesn't get "foggy" or cloudy, the water is filtered and treated and/or heated by a filter system like a pool or spa. Each time it fills and emplties it is filtered. It fills in less than 3 min. It will stay clear and clean and can be completely changed out from the holding tank easily depending on the amount of use. The perfect environment for training or physio therapy!brianFri, 28 Mar 2008 12:01:46 -0000