diff -r 0bc45502144b -r 7943afc0fcde www/includes/db_product.php
--- a/www/includes/db_product.php	Thu Jun 20 16:52:31 2019 +0200
+++ b/www/includes/db_product.php	Thu Jun 20 19:58:23 2019 +0200
@@ -723,12 +723,12 @@
 		$brew .= '","package_abv":' . floatval($row['package_abv']);
 		$brew .= ',"bottle_amount":' . floatval($row['bottle_amount']);
 		$brew .= ',"bottle_carbonation":' . floatval($row['bottle_carbonation']);
-		$brew .= ',"bottle_priming_water":' . $row['bottle_priming_water'];
+		$brew .= ',"bottle_priming_water":' . floatval($row['bottle_priming_water']);
 		$brew .= ',"bottle_priming_amount":' . floatval($row['bottle_priming_amount']);
 		$brew .= ',"bottle_carbonation_temp":' . floatval($row['bottle_carbonation_temp']);
 		$brew .= ',"keg_amount":' . floatval($row['keg_amount']);
 		$brew .= ',"keg_carbonation":' . floatval($row['keg_carbonation']);
-		$brew .= ',"keg_priming_water":' . $row['keg_priming_water'];
+		$brew .= ',"keg_priming_water":' . floatval($row['keg_priming_water']);
 		$brew .= ',"keg_priming_amount":' . floatval($row['keg_priming_amount']);
 		$brew .= ',"keg_carbonation_temp":' . floatval($row['keg_carbonation_temp']);
 		$brew .= ',"keg_forced_carb":' . floatval($row['keg_forced_carb']);