**{{:nchsls:c:biochemistry:document:water_plant_maintenance_sheet.odt|Schedule for Preventive maintainance}}**
  -Change 2nd sediment filter with new one every 15 days , and replace the first filter with the second one.Discard the first filter. (First filter in the way of inlet tube.Second filter after carbon block and towards the RO membrane.)
  -[[Trouble shooting|TROUBLESHOOTING WATER TREATMENT PLANT]]