diff -r 9856238e9217 -r f9d266eb0ec6 www/js/prod_edit.js
--- a/www/js/prod_edit.js	Sun Jul 11 15:55:44 2021 +0200
+++ b/www/js/prod_edit.js	Wed Jul 14 20:51:45 2021 +0200
@@ -725,7 +725,6 @@
    $('#wb_ph').val(dataRecord.wb_ph);
    $('#wa_acid_name').val(dataRecord.wa_acid_name);
    $('#wa_acid_perc').val(dataRecord.wa_acid_perc);
-//   $('#wa_base_name').val(dataRecord.wa_base_name);
    $('#starter_type').val(dataRecord.starter_type);
    $('#starter_sg').val(dataRecord.starter_sg);
    $('#starter_viability').val(dataRecord.starter_viability);
@@ -919,7 +918,7 @@
      calcIBUs();
     });
    },
-   ready: function() { $('#jqxTabs').jqxTabs('next'); },
+   ready: function() { calcFermentables(); $('#jqxTabs').jqxTabs('next'); },
    columns: [
     { text: 'Vergistbaar ingrediënt', datafield: 'f_name',
      cellsrenderer: function(index, datafield, value, defaultvalue, column, rowdata) {
@@ -1144,7 +1143,7 @@
     },
     { text: 'IBU', datafield: 'ibu', width: 80, align: 'right',
      cellsrenderer: function(index, datafield, value, defaultvalue, column, rowdata) {
-      var ibu = toIBU(rowdata.h_useat, rowdata.h_form, preboil_sg, parseFloat($('#batch_size').jqxNumberInput('decimal')),
+      var ibu = toIBU(rowdata.h_useat, rowdata.h_form, preboil_sg, parseFloat(dataRecord.batch_size),
                 parseFloat(rowdata.h_amount), parseFloat(rowdata.h_time), parseFloat(rowdata.h_alpha), $('#ibu_method').val(),
                 dataRecord.brew_whirlpool9, dataRecord.brew_whirlpool7, dataRecord.brew_whirlpool6);
       return '<span style="margin: 4px; margin-top: 6px; float: right;">' + dataAdapter.formatNumber(ibu, 'f1') + '</span>';