Flow rate record for filter 4

When the filter was first set up the flow rate was too fast, a regulator valve was added.

.25mm sand on the top 4 inches;  .45 mm sand bottom; pea gravel bottom 4 inches;  carbon granule filter on output;  3 weeks running after extended freeze. As of today March 7:  24 degrees F.

March 6 2012:  flow volume:  37.5 litres per hour ; flow rate: .140 meters per hour

This entry was posted in slow sand water filter study and construction. Bookmark the permalink.

Comments are closed.