diff -r 3649c3d31d15 -r 8580a08cbaa7 www/import/from_brouwhulp.php
--- a/www/import/from_brouwhulp.php	Wed Feb 06 15:14:41 2019 +0100
+++ b/www/import/from_brouwhulp.php	Wed Feb 06 19:29:45 2019 +0100
@@ -1617,13 +1617,13 @@
 			if ($recipe->VOLUME_HLT)
 				$sql .= "', brew_sparge_volume='" . floatval($recipe->VOLUME_HLT);
 			if ($recipe->VOLUME_BEFORE_BOIL)
-				$sql .= "', brew_preboil_volume='" . floatval($recipe->VOLUME_BEFORE_BOIL);
+				$sql .= "', brew_preboil_volume='" . sprintf("%.5f",floatval($recipe->VOLUME_BEFORE_BOIL) * 1.04);
 			if (floatval($recipe->OG_BEFORE_BOIL) != 1.0)
 				$sql .= "', brew_preboil_sg='" . floatval($recipe->OG_BEFORE_BOIL);
 			if ($recipe->PH_BEFORE_BOIL)
 				$sql .= "', brew_preboil_ph='" . floatval($recipe->PH_BEFORE_BOIL);
 			if ($recipe->VOLUME_AFTER_BOIL)
-				$sql .= "', brew_aboil_volume='" . floatval($recipe->VOLUME_AFTER_BOIL);
+				$sql .= "', brew_aboil_volume='" . sprintf("%.5f",floatval($recipe->VOLUME_AFTER_BOIL) * 1.04);
 			$sql .= "', brew_aboil_sg='" . floatval($recipe->OG);
 			if ($recipe->PH_AFTER_BOIL)
 				$sql .= "', brew_aboil_ph='" . floatval($recipe->PH_AFTER_BOIL);