diff -r fef03c7ae353 -r f765249d57d7 www/js/prod_edit.js
--- a/www/js/prod_edit.js	Thu Feb 21 16:36:02 2019 +0100
+++ b/www/js/prod_edit.js	Sat Feb 23 19:55:42 2019 +0100
@@ -1628,6 +1628,8 @@
 	function calcFermentation() {
 		if (dataRecord.brew_fermenter_sg < 1.020)
 			return;
+		var obrix = sg_to_brix(dataRecord.brew_fermenter_sg);
+		console.log("calcFermentation() og:"+dataRecord.brew_fermenter_sg+" brix:"+obrix);
 		if ((dataRecord.primary_end_sg > 0.990) && (dataRecord.primary_end_sg < dataRecord.brew_fermenter_sg)) {
 			var primary_svg = 100 * (dataRecord.brew_fermenter_sg - dataRecord.primary_end_sg) / (dataRecord.brew_fermenter_sg - 1);
 			//console.log("primary svg: "+primary_svg);
@@ -1807,6 +1809,33 @@
 			$("#sparge_acid_type").jqxDropDownList({ disabled: true });
 			$("#sparge_acid_perc").jqxNumberInput({ spinButtons: false, readOnly: true, width: false });
 		}
+		if (dataRecord.stage > 3) { // Primary fermentation done
+			$("#brew_date_start").jqxDateTimeInput({ disabled: true });
+			$("#brew_date_end").jqxDateTimeInput({ disabled: true });
+			$("#brew_mash_ph").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_preboil_ph").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_aboil_ph").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_mash_sg").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_preboil_sg").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_aboil_sg").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_preboil_volume").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_aboil_volume").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_sparge_temperature").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_whirlpool9").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_cooling_to").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_sparge_volume").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_whirlpool7").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_cooling_method").jqxDropDownList({ disabled: true });
+			$("#brew_whirlpool6").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_cooling_time").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_sparge_ph").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_whirlpool2").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_aeration_type").jqxDropDownList({ disabled: true });
+			$("#brew_fermenter_tcloss").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_aeration_time").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_fermenter_extrawater").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+			$("#brew_aeration_speed").jqxNumberInput({ spinButtons: false, readOnly: true, width: 90 });
+		}
 		if (dataRecord.stage < 5) { // At least secondary
 			$('#jqxTabs').jqxTabs('disableAt', 10);	// Packaging tab
 		} else {
@@ -2168,7 +2197,45 @@
 			dataRecord.primary_end_sg = parseFloat(event.args.value);
 			calcFermentation();
 		});
-
+		$("#primary_end_brix").on('change', function (event) {
+			// Brix reading from refractometer RI
+			if (dataRecord.brew_fermenter_sg >= 1.020) {
+				OBrix = sg_to_brix(dataRecord.brew_fermenter_sg);
+				FBrix = parseFloat(event.args.value) / my_brix_correction;
+				// http://seanterrill.com/2011/04/07/refractometer-fg-results/
+				var FG = 1.0000 - 0.0044993 * OBrix + 0.0117741 * FBrix +
+					 0.000275806 * (OBrix * OBrix) - 0.00127169 * (FBrix * FBrix) -
+					 0.00000727999 * Math.pow(OBrix, 3) + 0.0000632929 * Math.pow(FBrix, 3);
+	//			var FG = 1.0000 - 0.00085683 * OBrix + 0.0034941 * FBrix;
+				// Brouwhulp
+	//			var FG = ((1.001843 - 0.002318474 * OBrix - 0.000007775 * (OBrix * OBrix)
+	//				  - 0.000000034 * Math.pow(OBrix, 3) + 0.00574 * (FBrix)
+	//				  + 0.00003344 * (FBrix * FBrix) + 0.000000086 * Math.pow(FBrix, 3))
+	//				  + (1.313454) * 0.001);
+				console.log("OBrix:"+OBrix+" FBrix:"+FBrix+" FG:"+FG);
+				if (FG > 1.00001) {
+					$("#primary_end_sg").val(FG);
+					dataRecord.primary_end_sg = FG;
+				}
+				calcFermentation();
+			}
+		});
+		$("#final_brix").on('change', function (event) {
+			// Brix reading from refractometer RI
+			if (dataRecord.brew_fermenter_sg >= 1.020) {
+				OBrix = sg_to_brix(dataRecord.brew_fermenter_sg);
+				FBrix = parseFloat(event.args.value) / my_brix_correction;
+				var FG = 1.0000 - 0.0044993 * OBrix + 0.0117741 * FBrix +
+					 0.000275806 * (OBrix * OBrix) - 0.00127169 * (FBrix * FBrix) -
+					 0.00000727999 * Math.pow(OBrix, 3) + 0.0000632929 * Math.pow(FBrix, 3);
+				console.log("OBrix:"+OBrix+" FBrix:"+FBrix+" FG:"+FG);
+				if (FG > 1.00001) {
+					$("#fg").val(FG);
+					dataRecord.fg = FG;
+				}
+				calcFermentation();
+			}
+		});
 		$("#BLog").jqxButton({ disabled: (dataRecord.log_brew) ? false:true });
 		$("#FLog").jqxButton({ disabled: (dataRecord.log_fermentation) ? false:true });
 	};
@@ -5105,11 +5172,19 @@
 
 	// Tab 10, Fermentation
 	// Note, fermentation temps changes must do calcCarbonation()
+	$("#brew_fermenter_sg2").jqxTooltip({ content: 'Het behaalde SG in het gistvat, overgenomen van de brouwdag.' });
 	$("#brew_fermenter_sg2").jqxNumberInput( Show3dec );
+	$("#primary_start_temp").jqxTooltip({ content: 'De begintemperatuur van de hoofdvergisting.' });
 	$("#primary_start_temp").jqxNumberInput( YeastT );
+	$("#primary_max_temp").jqxTooltip({ content: 'De hoogst bereikte piek temperatuur tijdens de hoofgvergisting.' });
 	$("#primary_max_temp").jqxNumberInput( YeastT );
+	$("#primary_end_temp").jqxTooltip({ content: 'De eind temperatuur van de hoofdvergisting.' });
 	$("#primary_end_temp").jqxNumberInput( YeastT );
+	$("#primary_end_sg").jqxTooltip({ content: 'Het gemeten SG aan het eind van de hoofdvergisting.' });
 	$("#primary_end_sg").jqxNumberInput( SGopts );
+	$("#primary_end_brix").jqxTooltip({ content: 'Hulpfinctie: de afgelezen &deg;Brix RI waarde met een refractometer.' });
+	$("#primary_end_brix").jqxNumberInput( Spin1dec );
+	$("#primary_svg").jqxTooltip({ content: 'De schijnbare vergisting graad behaald na de hoofdgisting.' });
 	$("#primary_svg").jqxNumberInput( Show1dec );
 	$("#primary_end_date").jqxTooltip({ content: 'De eind datum van de hoofdvergisting en eventueel overhevelen.' });
 	$("#primary_end_date").jqxDateTimeInput( Dateopts );
@@ -5122,6 +5197,8 @@
 	$("#fg").jqxNumberInput( Spin3dec );
 	$("#est_fg3").jqxTooltip({ content: 'Het verwachte eind SG. Dit wordt automatisch berekend.' });
 	$("#est_fg3").jqxNumberInput( Show3dec );
+	$("#final_brix").jqxTooltip({ content: 'Hulpfinctie: de afgelezen &deg;Brix RI waarde met een refractometer.' });
+	$("#final_brix").jqxNumberInput( Spin1dec );
 	$("#final_abv").jqxNumberInput( Show1dec );
 	$("#final_svg").jqxNumberInput( Show1dec );
 	$("#FLog").jqxButton({ template: "info", width: '150px', theme: theme });