diff -r 74b442eae07b -r 4bb005694ce7 www/prod_edit.php
--- a/www/prod_edit.php	Sun Apr 26 10:36:38 2020 +0200
+++ b/www/prod_edit.php	Fri May 01 11:56:24 2020 +0200
@@ -477,8 +477,8 @@
        <tr>
         <td style="vertical-align: top; float: right; padding: 3px;">Calciumchloride (CaCl2) gr:</td>
 	<td style="padding: 3px;"><div id="wa_cacl2"></div></td>
-        <td style="vertical-align: top; float: right; padding: 3px;">Maish pH:</td>
-        <td style="padding: 3px;"><div id="mash_ph"></div></td>
+        <td style="vertical-align: top; float: right; padding: 3px;"><div class='c_mashph'>Maish pH:</div></td>
+        <td style="padding: 3px;"><div id="mash_ph" class='c_mashph'></div></td>
         <td style="vertical-align: top; float: right; padding: 3px;">Spoelwater voorraad L:</td>
         <td style="padding: 3px;"><div id="sparge_volume"></div></td>
        </tr>