diff --git a/src/flask/templates/updater.html b/src/flask/templates/updater.html
index a36d46c..6012147 100644
--- a/src/flask/templates/updater.html
+++ b/src/flask/templates/updater.html
@@ -8,33 +8,40 @@
                 <form method="POST" action="/updater">
                 <div class="form-group">
                     <label for="test_user">Tester:</label>
-                    <input type="text" id="test_user" class="form-control" name="test_user" /><br><br>
+                    <div>
+                      <input type="radio" id="Isabella" class="form-control" name="test_user" value="Isabella" />
+                      <label for="Isabella">Isabella</label><br>
+                      <input type="radio" id="Heather" class="form-control" name="test_user" value="Heather" />
+                      <label for="Heather">Heather</label><br>
+                      <input type="radio" id="Ariah" class="form-control" name="test_user" value="Ariah" />
+                      <label for="Ariah">Ariah</label><br><br>
+                    </div>
                 </div>
                 <div class="form-group">
-                    <label for="date">Date:</label>
+                    <label for="date">Date:</label><br>
                     <input type="date" id="date" class="form-control" name="date" /><br><br>
                 </div>
                 <div class="form-group">
-                    <label for="ph">PH:</label>
-                    <input type="number" id="ph" class="form-control" name="ph" required><br><br>
+                    <label for="ph">PH:</label><br>
+                    <input type="number" min=0 step="0.01" id="ph" class="form-control" name="ph" required><br><br>
                 </div>
                 <div class="form-group">
-                    <label for="total_chlorine">Total Chlorine:</label>
-                    <input type="number" id="total_chlorine" class="form-control" name="total_chlorine" required><br><br>
+                    <label for="total_chlorine">Total Chlorine:</label><br>
+                    <input type="number" id="total_chlorine" min=0 class="form-control" name="total_chlorine" required><br><br>
                 </div>
                 <div class="form-group">
-                    <label for="free_chlorine">Free Chlorine:</label>
-                    <input type="number" class="form-control" id="free_chlorine" name="free_chlorine" /><br><br>
+                    <label for="free_chlorine">Free Chlorine:</label><br>
+                    <input type="number" class="form-control" min=0 id="free_chlorine" name="free_chlorine" /><br><br>
                 </div>
                 <div class="form-group">
-                    <label for="alkalinity">Alkalinity:</label>
-                    <input type="number" id="alkalinity" class="form-control" name="alkalinity" required><br><br>
+                    <label for="alkalinity">Alkalinity:</label><br>
+                    <input type="number" id="alkalinity" min=0 class="form-control" name="alkalinity" required><br><br>
                 </div>
                 <div class="form-group">
-                    <label for="salt">Salt:</label>
-                    <input type="number" id="salt" class="form-control" name="salt" ><br><br>
+                    <label for="salt">Salt:</label><br>
+                    <input type="number" id="salt" min=0 class="form-control" name="salt" ><br><br>
                 </div>
-                <input type="submit" class="btn btn-primary" name="action"/>
+                <input type="submit" id="submit_button" class="btn btn-primary" name="action" value="Add Data"/>
             </form>
         </td>
         <td>