diff -r 15fe253ffa83 -r ef298b5aa994 www/import/from_brouwhulp.php
--- a/www/import/from_brouwhulp.php	Tue Dec 25 15:06:39 2018 +0100
+++ b/www/import/from_brouwhulp.php	Thu Dec 27 22:30:26 2018 +0100
@@ -583,6 +583,10 @@
 			$fermentables .= ',"f_di_ph":' . floatval($fermentable->DI_pH);
 		else
 			$fermentables .= ',"f_di_ph":0.0';
+		if ($fermentable->{'ACID_TO_pH_5.7'})
+			$fermentables .= ',"f_acid_to_ph_57":' . floatval($fermentable->{'ACID_TO_pH_5.7'});
+		else
+			$fermentables .= ',"f_acid_to_ph_57":0.0';
 		$fermentables .= "}";
 		/* Sugars */
 		$d = $famount * ($fyield / 100) * (1 - $fmoisture / 100);