Program: 50533
Project: 50533
Buggy source:
public void displayWaterTreatment(){
  WaterProfile source=myRecipe.getSourceWater();
  WaterProfile target=myRecipe.getTargetWater();
  comboSource.setSelectedItem(source.getName());
  comboTarget.setSelectedItem(target.getName());
  textCaS.setText(SBStringUtils.format(source.getCa(),1));
  textClS.setText(SBStringUtils.format(source.getCl(),1));
  textMgS.setText(SBStringUtils.format(source.getMg(),1));
  textNaS.setText(SBStringUtils.format(source.getNa(),1));
  textSo4S.setText(SBStringUtils.format(source.getSo4(),1));
  textCarbonateS.setText(SBStringUtils.format(source.getHco3(),1));
  textHardnessS.setText(SBStringUtils.format(source.getHardness(),1));
  textAlkS.setText(SBStringUtils.format(source.getAlkalinity(),1));
  textTDSS.setText(SBStringUtils.format(source.getTds(),1));
  textMashPHS.setText(SBStringUtils.format(source.getPh(),1));
  textCaT.setText(SBStringUtils.format(target.getCa(),1));
  textClT.setText(SBStringUtils.format(target.getCl(),1));
  textMgT.setText(SBStringUtils.format(target.getMg(),1));
  textNaT.setText(SBStringUtils.format(target.getNa(),1));
  textSo4T.setText(SBStringUtils.format(target.getSo4(),1));
  textCarbonateT.setText(SBStringUtils.format(target.getHco3(),1));
  textHardnessT.setText(SBStringUtils.format(target.getHardness(),1));
  textAlkT.setText(SBStringUtils.format(target.getAlkalinity(),1));
  textTDST.setText(SBStringUtils.format(target.getTds(),1));
  textMashPHT.setText(SBStringUtils.format(target.getPh(),1));
  WaterProfile diff=new WaterProfile();
  diff.setCa(target.getCa() - source.getCa());
  diff.setCl(target.getCl() - source.getCl());
  diff.setMg(target.getMg() - source.getMg());
  diff.setNa(target.getNa() - source.getNa());
  diff.setSo4(target.getSo4() - source.getSo4());
  diff.setHco3(target.getHco3() - source.getHco3());
  diff.setHardness(target.getHardness() - source.getHardness());
  diff.setAlkalinity(target.getAlkalinity() - source.getAlkalinity());
  diff.setTds(target.getTds() - source.getTds());
  diff.setPh(source.getPh() - source.getPh());
  textCaD.setText(SBStringUtils.format(diff.getCa(),1));
  textClD.setText(SBStringUtils.format(diff.getCl(),1));
  textMgD.setText(SBStringUtils.format(diff.getMg(),1));
  textNaD.setText(SBStringUtils.format(diff.getNa(),1));
  textSo4D.setText(SBStringUtils.format(diff.getSo4(),1));
  textCarbonateD.setText(SBStringUtils.format(diff.getHco3(),1));
  textHardnessD.setText(SBStringUtils.format(diff.getHardness(),1));
  textAlkD.setText(SBStringUtils.format(diff.getAlkalinity(),1));
  textTDSD.setText(SBStringUtils.format(diff.getTds(),1));
  textMashPHD.setText(SBStringUtils.format(diff.getPh(),1));
  WaterProfile resultWater;
  resultWater=BrewCalcs.calculateSalts(myRecipe.getSalts(),diff,1);
  textCaR.setText(SBStringUtils.format(resultWater.getCa(),1));
  textClR.setText(SBStringUtils.format(resultWater.getCl(),1));
  textMgR.setText(SBStringUtils.format(resultWater.getMg(),1));
  textNaR.setText(SBStringUtils.format(resultWater.getNa(),1));
  textSo4R.setText(SBStringUtils.format(resultWater.getSo4(),1));
  textCarbonateR.setText(SBStringUtils.format(resultWater.getHco3(),1));
  textHardnessR.setText(SBStringUtils.format(resultWater.getHardness(),1));
  textAlkR.setText(SBStringUtils.format(resultWater.getAlkalinity(),1));
  textTDSR.setText(SBStringUtils.format(resultWater.getTds(),1));
  textMashPHR.setText(SBStringUtils.format(resultWater.getPh(),1));
  for (int i=0; i < saltName.length; i++) {
    Salt s=myRecipe.getSaltByName(saltName[i]);
    if (myRecipe.getSaltByName(saltName[i]) != null) {
      textSaltsAmount[i].setText(SBStringUtils.format(s.getAmount(),2));
    }
 else {
      textSaltsAmount[i].setText("String_Node_Str");
    }
  }
  textSourcePH.setText(SBStringUtils.format(8.5,1));
  textSourceAlk.setText(SBStringUtils.format(300,1));
  textTargetPH.setText(SBStringUtils.format(5.4,1));
  comboAcid.setSelectedItem(myRecipe.getAcid().getName());
  lAcidUnit.setText(myRecipe.getAcid().getAcidUnit());
  double millEs=BrewCalcs.acidMillequivelantsPerLiter(8.5,300,5.4);
  double moles=BrewCalcs.molesByAcid(myRecipe.getAcid(),millEs,5.4);
  double acidPerL=BrewCalcs.acidAmountPerL(myRecipe.getAcid(),moles);
  textAcidAmount.setText(SBStringUtils.format(Quantity.convertUnit(Quantity.L,Quantity.GAL,acidPerL),2));
}

Fixed version (ground truth):
public void displayWaterTreatment(){
  WaterProfile source=myRecipe.getSourceWater();
  WaterProfile target=myRecipe.getTargetWater();
  comboSource.setSelectedItem(source.getName());
  comboTarget.setSelectedItem(target.getName());
  textCaS.setText(SBStringUtils.format(source.getCa(),1));
  textClS.setText(SBStringUtils.format(source.getCl(),1));
  textMgS.setText(SBStringUtils.format(source.getMg(),1));
  textNaS.setText(SBStringUtils.format(source.getNa(),1));
  textSo4S.setText(SBStringUtils.format(source.getSo4(),1));
  textCarbonateS.setText(SBStringUtils.format(source.getHco3(),1));
  textHardnessS.setText(SBStringUtils.format(source.getHardness(),1));
  textAlkS.setText(SBStringUtils.format(source.getAlkalinity(),1));
  textTDSS.setText(SBStringUtils.format(source.getTds(),1));
  textMashPHS.setText(SBStringUtils.format(source.getPh(),1));
  textCaT.setText(SBStringUtils.format(target.getCa(),1));
  textClT.setText(SBStringUtils.format(target.getCl(),1));
  textMgT.setText(SBStringUtils.format(target.getMg(),1));
  textNaT.setText(SBStringUtils.format(target.getNa(),1));
  textSo4T.setText(SBStringUtils.format(target.getSo4(),1));
  textCarbonateT.setText(SBStringUtils.format(target.getHco3(),1));
  textHardnessT.setText(SBStringUtils.format(target.getHardness(),1));
  textAlkT.setText(SBStringUtils.format(target.getAlkalinity(),1));
  textTDST.setText(SBStringUtils.format(target.getTds(),1));
  textMashPHT.setText(SBStringUtils.format(target.getPh(),1));
  WaterProfile diff=new WaterProfile();
  diff.setCa(target.getCa() - source.getCa());
  diff.setCl(target.getCl() - source.getCl());
  diff.setMg(target.getMg() - source.getMg());
  diff.setNa(target.getNa() - source.getNa());
  diff.setSo4(target.getSo4() - source.getSo4());
  diff.setHco3(target.getHco3() - source.getHco3());
  diff.setHardness(target.getHardness() - source.getHardness());
  diff.setAlkalinity(target.getAlkalinity() - source.getAlkalinity());
  diff.setTds(target.getTds() - source.getTds());
  diff.setPh(source.getPh() - source.getPh());
  textCaD.setText(SBStringUtils.format(diff.getCa(),1));
  textClD.setText(SBStringUtils.format(diff.getCl(),1));
  textMgD.setText(SBStringUtils.format(diff.getMg(),1));
  textNaD.setText(SBStringUtils.format(diff.getNa(),1));
  textSo4D.setText(SBStringUtils.format(diff.getSo4(),1));
  textCarbonateD.setText(SBStringUtils.format(diff.getHco3(),1));
  textHardnessD.setText(SBStringUtils.format(diff.getHardness(),1));
  textAlkD.setText(SBStringUtils.format(diff.getAlkalinity(),1));
  textTDSD.setText(SBStringUtils.format(diff.getTds(),1));
  textMashPHD.setText(SBStringUtils.format(diff.getPh(),1));
  WaterProfile resultWater;
  resultWater=BrewCalcs.calculateSalts(myRecipe.getSalts(),diff,1);
  textCaR.setText(SBStringUtils.format(resultWater.getCa(),1));
  textClR.setText(SBStringUtils.format(resultWater.getCl(),1));
  textMgR.setText(SBStringUtils.format(resultWater.getMg(),1));
  textNaR.setText(SBStringUtils.format(resultWater.getNa(),1));
  textSo4R.setText(SBStringUtils.format(resultWater.getSo4(),1));
  textCarbonateR.setText(SBStringUtils.format(resultWater.getHco3(),1));
  textHardnessR.setText(SBStringUtils.format(resultWater.getHardness(),1));
  textAlkR.setText(SBStringUtils.format(resultWater.getAlkalinity(),1));
  textTDSR.setText(SBStringUtils.format(resultWater.getTds(),1));
  textMashPHR.setText(SBStringUtils.format(resultWater.getPh(),1));
  for (int i=0; i < saltName.length; i++) {
    Salt s=myRecipe.getSaltByName(saltName[i]);
    if (myRecipe.getSaltByName(saltName[i]) != null) {
      textSaltsAmount[i].setText(SBStringUtils.format(s.getAmount(),2));
    }
 else {
      textSaltsAmount[i].setText("String_Node_Str");
    }
  }
  comboAcid.setSelectedItem(myRecipe.getAcid().getName());
  lAcidUnit.setText(myRecipe.getAcid().getAcidUnit());
  double millEs=BrewCalcs.acidMillequivelantsPerLiter(Double.parseDouble(textSourcePH.getText()),Double.parseDouble(textSourceAlk.getText()),Double.parseDouble(textTargetPH.getText()));
  double moles=BrewCalcs.molesByAcid(myRecipe.getAcid(),millEs,Double.parseDouble(textTargetPH.getText()));
  double acidPerL=BrewCalcs.acidAmountPerL(myRecipe.getAcid(),moles);
  textAcidAmount.setText(SBStringUtils.format(Quantity.convertUnit(Quantity.GAL,Quantity.L,acidPerL),2));
}