~Fill up the cistern with water
~At night, turn off pump and any shut off valves before and immediately after pressure tank
~Accurately measure water in cistern with stick and record
~Leave pump off for a minimum of 12 hours
~Re-measure water in cistern exactly as done previously
~Repeat process, daily if possible, until cistern is empty
~Record and date all results
Variations in measurements usually
indicate a problem with the cistern
For further information or clarification, please call our office