--- a/www/getwatersources.php	Sun Dec 16 13:53:48 2018 +0100
+++ b/www/getwatersources.php	Mon Dec 17 13:46:15 2018 +0100
@@ -20,6 +20,7 @@
 		'magnesium' => $row['magnesium'],
 		'ph' => $row['ph'],
 		'total_alkalinity' => $row['total_alkalinity'],
+		'inventory' => $row['inventory'],
 		'cost' => $row['cost']
 	);
 }