diff -r 057a6256bd7b -r 22271f3598ac www/js/inv_yeasts.js
--- a/www/js/inv_yeasts.js	Thu Aug 16 16:38:20 2018 +0200
+++ b/www/js/inv_yeasts.js	Thu Aug 16 17:17:40 2018 +0200
@@ -53,8 +53,6 @@
 			{ name: 'name', type: 'string' },
 			{ name: 'type', type: 'string' },
 			{ name: 'form', type: 'string' },
-			{ name: 'amount', type: 'float' },
-			{ name: 'amount_is_weight', type: 'bool' },
 			{ name: 'laboratory', type: 'string' },
 			{ name: 'product_id', type: 'string' },
 			{ name: 'min_temperature', type: 'number' },
@@ -63,9 +61,7 @@
 			{ name: 'attenuation', type: 'float' },
 			{ name: 'notes', type: 'string' },
 			{ name: 'best_for', type: 'string' },
-			{ name: 'times_cultured', type: 'number' },
 			{ name: 'max_reuse', type: 'number' },
-			{ name: 'add_to_secondary', type: 'bool' },
 			{ name: 'inventory', type: 'float' },
 			{ name: 'cost', type: 'float' },
 			{ name: 'production_date', type: 'string' },
@@ -131,9 +127,6 @@
 	$("#product_id").jqxInput({ theme: theme, width: 120, height: 23 });
 	$("#type").jqxDropDownList({ theme: theme, source: srcType, width: 90, height: 23, dropDownHeight: 170 });
 	$("#form").jqxDropDownList({ theme: theme, source: srcForm, selectedIndex: 0, width: 90, height: 23, dropDownHeight: 195 });
-	//$("#amount").jqxNumberInput({ inputMode: 'simple', spinMode: 'simple', theme: theme, width: 70, height: 23, min: 0, decimalDigits: 1, spinButtons: true });
-	//$("#amount_is_weight").jqxCheckBox({ theme: theme, width: 120, height: 23 });
-
 	$("#notes").jqxInput({ theme: theme, width: 640, height: 120 });
 	$("#best_for").jqxInput({ theme: theme, width: 640, height: 23 });
 	$("#inventory").jqxNumberInput({ inputMode: 'simple', spinMode: 'simple', theme: theme, width: 70, height: 23, min: 0, decimalDigits: 1, spinButtons: true });
@@ -144,9 +137,7 @@
 	$("#flocculation").jqxDropDownList({ theme: theme, source: srcFlocculation, width: 90, height: 23, dropDownHeight: 130 });
 	$("#attenuation").jqxNumberInput({ inputMode: 'simple', spinMode: 'simple', theme: theme, width: 70, height: 23, min: 50, max: 100, decimalDigits: 1, spinButtons: true });
 
-	//$("#times_cultured").jqxNumberInput({ inputMode: 'simple', spinMode: 'simple', theme: theme, width: 70, height: 23, min: 0, max: 10, decimalDigits: 0, spinButtons: true });
 	$("#max_reuse").jqxNumberInput({ inputMode: 'simple', spinMode: 'simple', theme: theme, width: 70, height: 23, min: 0, max: 10, decimalDigits: 0, spinButtons: true });
-	//$("#add_to_secondary").jqxCheckBox({ theme: theme, width: 120, height: 23 });
 	$("#cost").jqxNumberInput({ inputMode: 'simple', spinMode: 'simple', theme: theme, width: 70, height: 23, min: 0, decimalDigits: 2, spinButtons: true });
 	$("#tht_date").jqxDateTimeInput({ theme: theme, width: 100, height: 23, formatString: 'yyyy-MM-dd' });
 
@@ -175,17 +166,13 @@
 				$("#product_id").val('');
 				$("#type").val('Ale');
 				$("#form").val('Liquid');
-				$("#amount").val('0.0');
-				$("#amount_is_weight").val('false');
 				$("#min_temperature").val('');
 				$("#max_temperature").val('');
 				$("#flocculation").val('Low');
 				$("#attenuation").val('75.0');
 				$("#notes").val('');
 				$("#best_for").val('');
-				$("#times_cultured").val('');
 				$("#max_reuse").val('');
-				$("#add_to_secondary").val('false');
 				$("#inventory").val('');
 				$("#cost").val('');
 				$("#production_date").val('');
@@ -216,17 +203,13 @@
 					$("#product_id").val(dataRecord.product_id);
 					$("#type").val(dataRecord.type);
 					$("#form").val(dataRecord.form);
-					$("#amount").val(dataRecord.amount);
-					$("#amount_is_weight").val(dataRecord.amount_is_weight);
 					$("#min_temperature").val(dataRecord.min_temperature);
 					$("#max_temperature").val(dataRecord.max_temperature);
 					$("#flocculation").val(dataRecord.flocculation);
 					$("#attenuation").val(dataRecord.attenuation);
 					$("#notes").val(dataRecord.notes);
 					$("#best_for").val(dataRecord.best_for);
-					$("#times_cultured").val(dataRecord.times_cultured);
 					$("#max_reuse").val(dataRecord.max_reuse);
-					$("#add_to_secondary").val(dataRecord.add_to_secondary);
 					$("#inventory").val(dataRecord.inventory);
 					$("#cost").val(dataRecord.cost);
 					$("#production_date").val(dataRecord.production_date);
@@ -267,8 +250,6 @@
 				name: $("#name").val(),
 				type: $("#type").val(),
 				form: $("#form").val(),
-				amount: parseFloat($("#amount").jqxNumberInput('decimal')),
-				amount_is_weight: $("#amount_is_weight").val(),
 				laboratory: $("#laboratory").val(),
 				product_id: $("#product_id").val(),
 				min_temperature: parseInt($("#min_temperature").jqxNumberInput('decimal')),
@@ -277,9 +258,7 @@
 				attenuation: parseFloat($("#attenuation").jqxNumberInput('decimal')),
 				notes: $("#notes").val(),
 				best_for: $("#best_for").val(),
-				times_recultured: parseInt($("#times_cultured").jqxNumberInput('decimal')),
 				max_reuse: parseInt($("#max_reuse").jqxNumberInput('decimal')),
-				add_to_secondary: $("#add_to_secondary").val(),
 				inventory: parseFloat($("#inventory").jqxNumberInput('decimal')),
 				cost: parseFloat($("#cost").jqxNumberInput('decimal')),
 				production_date: $("#production_date").val(),
@@ -294,8 +273,6 @@
 				name: $("#name").val(),
 				type: $("#type").val(),
 				form: $("#form").val(),
-				amount: parseFloat($("#amount").jqxNumberInput('decimal')),
-				amount_is_weight: $("#amount_is_weight").val(),
 				laboratory: $("#laboratory").val(),
 				product_id: $("#product_id").val(),
 				min_temperature: parseInt($("#min_temperature").jqxNumberInput('decimal')),
@@ -304,9 +281,7 @@
 				attenuation: parseFloat($("#attenuation").jqxNumberInput('decimal')),
 				notes: $("#notes").val(),
 				best_for: $("#best_for").val(),
-				times_recultured: parseInt($("#times_cultured").jqxNumberInput('decimal')),
 				max_reuse: parseInt($("#max_reuse").jqxNumberInput('decimal')),
-				add_to_secondary: $("#add_to_secondary").val(),
 				inventory: parseFloat($("#inventory").jqxNumberInput('decimal')),
 				cost: parseFloat($("#cost").jqxNumberInput('decimal')),
 				production_date: $("#production_date").val(),