diff -r 3593b18486d7 -r 776a605befa5 www-thermferm/units.php
--- a/www-thermferm/units.php	Mon Aug 06 17:04:57 2018 +0200
+++ b/www-thermferm/units.php	Fri Aug 24 14:14:31 2018 +0200
@@ -389,6 +389,8 @@
 		$outstr .= '         <option value="SECONDARY"'.$se.'>Secondary</option>'.PHP_EOL;
 		($f[1] == "TERTIARY") ? $se = " selected" : $se = "";
 		$outstr .= '         <option value="TERTIARY"'.$se.'>Tertiary</option>'.PHP_EOL;
+		($f[1] == "CARBONATION") ? $se = " selected" : $se = "";
+		$outstr .= '         <option value="CARBONATION"'.$se.'>Carbonation</option>'.PHP_EOL;
 		$outstr .= '        </select></td>'.PHP_EOL;
 	    }