diff -r dbbe408108ea -r 3469979f83be www/import/from_brouwhulp.php
--- a/www/import/from_brouwhulp.php	Sat Sep 22 15:02:43 2018 +0200
+++ b/www/import/from_brouwhulp.php	Sat Sep 22 19:14:02 2018 +0200
@@ -676,6 +676,8 @@
 				$yeasts .= ',"y_amount":' . floatval($yeast->AMOUNT);
 				if ($yeast->COST)
 					$yeasts .= ',"y_cost":' . floatval($yeast->COST);
+				else
+					$yeasts .= ',"y_cost":0';
 				$yeasts .= ',"y_laboratory":"' . mysqli_real_escape_string($db, $yeast->LABORATORY) . '"';
 				$yeasts .= ',"y_product_id":"' . mysqli_real_escape_string($db, $yeast->PRODUCT_ID) . '"';
 				$yeasts .= ',"y_type":"' . mysqli_real_escape_string($db, $yeast->TYPE) . '"';
@@ -688,6 +690,9 @@
 				} else {
 					$yeasts .= ',"y_use":"Secondary"';
 				}
+				$yeasts .= ',"y_min_temperature":' . floatval($yeast->MIN_TEMPERATURE);
+				$yeasts .= ',"y_max_temperature":' . floatval($yeast->MAX_TEMPERATURE);
+				$yeasts .= ',"y_attenuation":' . floatval($yeast->ATTENUATION);
 				$yeasts .= "}";
 			}