"Water stream / purpose","Sample ID and actual arrangement","Hardness / Ca / Mg evidence","Na / K / EC / alkalinity evidence","Endpoint reviewer and unresolved claim"
"Incoming source","","","",""
"Softened intermediate water","","","",""
"Membrane product if present","","","",""
"Final crop water after relevant blending/feed","","","",""
"Scale-control objective","Equipment inlet and supported objective","","","Water-treatment designer"
"Crop-water objective","Actual crop and final point of use","","","Crop adviser"
"Process identity","Sodium-cycle exchange / actual alternative documented","","","Do not infer all softening technologies are identical"
"Changed condition","Source / blend / bypass / product change","","","Reassess affected evidence; no operating instruction"
"Decision","Intermediate duty and final acceptance separately stated","","",""
"Use","Manual map; no ion-balance or resin formula","Preserve result units and sample context","Low hardness is not desalination or crop acceptance","No regenerant substitution or treatment settings"
"Source context","https://www.umass.edu/agriculture-food-environment/book/export/html/9860 ; https://www.dupont.com/water/periodic-table/alkaline-earths.html","","",""