diff -r f2c79ed6423a -r 9999b3ce98cb www/import/from_brouwhulp.php
--- a/www/import/from_brouwhulp.php	Wed Dec 05 22:47:19 2018 +0100
+++ b/www/import/from_brouwhulp.php	Thu Dec 06 23:18:27 2018 +0100
@@ -576,7 +576,7 @@
 			$fermentables .= ',"f_dissolved_protein":0';
 		($fermentable->ADJUST_TO_TOTAL_100 == "TRUE") ? $fermentables .= ',"f_adjust_to_total_100":true' : $fermentables .= ',"f_adjust_to_total_100":false';
 		$percent = floatval($fermentable->PERCENTAGE);
-		$fermentables .= ',"f_percentage":' . $percent;
+		$fermentables .= ',"f_percentage":' . round($percent * 10) / 10.0;
 		if ($fermentable->DI_pH)
 			$fermentables .= ',"f_di_ph":' . floatval($fermentable->DI_pH);
 		else