diff --git a/hc/api/management/commands/sendalerts.py b/hc/api/management/commands/sendalerts.py
index 33d9906..e555505 100644
--- a/hc/api/management/commands/sendalerts.py
+++ b/hc/api/management/commands/sendalerts.py
@@ -21,8 +21,9 @@ def handle_many(self):
         now = timezone.now()
         going_down = query.filter(alert_after__lt=now, status="up")
         going_up = query.filter(alert_after__gt=now, status="down")
+        nag = query.filter(nag_after__lt=now, nag_status=True, status="down")
         # Don't combine this in one query so Postgres can query using index:
-        checks = list(going_down.iterator()) + list(going_up.iterator())
+        checks = list(going_down.iterator()) + list(going_up.iterator()) + list(nag.iterator())
         if not checks:
             return False
 
@@ -40,9 +41,14 @@ def handle_one(self, check):
 
         """
 
-        # Save the new status. If sendalerts crashes,
+        # Saves the new status. If sendalerts crashes,
         # it won't process this check again.
         check.status = check.get_status()
+        now = timezone.now()
+        # Set the next nag time
+        if check.nag() == "nag":
+            interval = check.new_nag_after
+            check.nag_after = now + interval
         check.save()
 
         tmpl = "\nSending alert, status=%s, code=%s\n"
diff --git a/hc/api/migrations/0027_auto_20180712_0652.py b/hc/api/migrations/0027_auto_20180712_0652.py
new file mode 100644
index 0000000..d748736
--- /dev/null
+++ b/hc/api/migrations/0027_auto_20180712_0652.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2018-07-12 06:52
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0026_auto_20160415_1824'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='check',
+            name='nag_after',
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='check',
+            name='nag_status',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AlterField(
+            model_name='check',
+            name='status',
+            field=models.CharField(choices=[('up', 'Up'), ('down', 'Down'), ('new', 'New'), ('paused', 'Paused'), ('nag', 'Nag')], default='new', max_length=6),
+        ),
+    ]
diff --git a/hc/api/migrations/0028_check_new_nag_after.py b/hc/api/migrations/0028_check_new_nag_after.py
new file mode 100644
index 0000000..b5ca718
--- /dev/null
+++ b/hc/api/migrations/0028_check_new_nag_after.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2018-07-12 12:21
+from __future__ import unicode_literals
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0027_auto_20180712_0652'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='check',
+            name='new_nag_after',
+            field=models.DurationField(default=datetime.timedelta(1, 3600)),
+        ),
+    ]
diff --git a/hc/api/migrations/0031_merge_20180713_0904.py b/hc/api/migrations/0031_merge_20180713_0904.py
new file mode 100644
index 0000000..aaa40cd
--- /dev/null
+++ b/hc/api/migrations/0031_merge_20180713_0904.py
@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2018-07-13 09:04
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0028_check_new_nag_after'),
+        ('api', '0030_remove_check_profile'),
+    ]
+
+    operations = [
+    ]
diff --git a/hc/api/models.py b/hc/api/models.py
index a1cdd7d..8717529 100644
--- a/hc/api/models.py
+++ b/hc/api/models.py
@@ -17,7 +17,8 @@
     ("up", "Up"),
     ("down", "Down"),
     ("new", "New"),
-    ("paused", "Paused")
+    ("paused", "Paused"),
+    ("nag", "Nag")
 )
 DEFAULT_TIMEOUT = td(days=1)
 DEFAULT_GRACE = td(hours=1)
@@ -52,6 +53,9 @@ class Meta:
     last_ping = models.DateTimeField(null=True, blank=True)
     alert_after = models.DateTimeField(null=True, blank=True, editable=False)
     status = models.CharField(max_length=6, choices=STATUSES, default="new")
+    nag_after = models.DateTimeField(null=True, blank=True)
+    nag_status = models.BooleanField(default=False)
+    new_nag_after = models.DurationField(default=DEFAULT_GRACE+DEFAULT_TIMEOUT)
 
     def name_then_code(self):
         if self.name:
@@ -130,6 +134,11 @@ def to_dict(self):
 
         return result
 
+    def nag(self):
+        """Sends a nag to the client if the service is still down"""
+        if self.get_status() == 'down' and self.nag_status:
+            return "nag"
+
 
 class Ping(models.Model):
     n = models.IntegerField(null=True)
diff --git a/hc/api/tests/test_prunechecks.py b/hc/api/tests/test_prunechecks.py
new file mode 100644
index 0000000..c421ccb
--- /dev/null
+++ b/hc/api/tests/test_prunechecks.py
@@ -0,0 +1,22 @@
+from datetime import timedelta
+
+from django.utils import timezone
+from hc.api.management.commands.prunechecks import Command
+from hc.api.models import Check
+from hc.test import BaseTestCase
+from mock import patch
+
+
+class PruneChecksTestCase(BaseTestCase):
+
+    @patch("hc.api.management.commands.sendalerts.Command.handle_one")
+    def test_it_reaches_prunes(self, mock):
+        check = Check(user=None)
+        check.created = timezone.now() - timedelta(days=1, minutes=30)
+        check.save()
+
+        # Expect no exceptions--
+
+        result = Command().handle(check)
+        self.assertEqual(result, "Done! Pruned 0 checks.")
+    
\ No newline at end of file
diff --git a/hc/api/tests/test_sendalerts.py b/hc/api/tests/test_sendalerts.py
index 19a22ea..db99d5e 100644
--- a/hc/api/tests/test_sendalerts.py
+++ b/hc/api/tests/test_sendalerts.py
@@ -41,6 +41,7 @@ def test_it_handles_grace_period(self):
         result = Command().handle_one(check)
         self.assertEqual(True, result, "handle_one should return True")
 
+
     @patch("hc.api.management.commands.sendalerts.Command.handle_one")
     def test_handle_many_true(self, mock):
         """Assert when Command's handle many that when handle_many should return True"""
@@ -51,9 +52,10 @@ def test_handle_many_true(self, mock):
             check = Check(user=self.bob, name=name)
             check.alert_after = time
             check.status = "up"
+            check.nag_status=True
             check.save()
         result = Command().handle_many()
         self.assertEqual(result, True, "handle_many should return True")
 
-        
-
+    
+        
\ No newline at end of file
diff --git a/hc/front/forms.py b/hc/front/forms.py
index 8a4ea05..6b0fb89 100644
--- a/hc/front/forms.py
+++ b/hc/front/forms.py
@@ -18,10 +18,9 @@ def clean_tags(self):
 
 
 class TimeoutForm(forms.Form):
-    """Increase timeout and grace maximum value from 30days to 6 months in value of seconds"""
-    timeout = forms.IntegerField(min_value=60, max_value=15552000)
-    grace = forms.IntegerField(min_value=60, max_value=15552000)
-    
+    timeout = forms.IntegerField(min_value=60, max_value=2592000)
+    grace = forms.IntegerField(min_value=60, max_value=2592000)
+    new_nag_after = forms.IntegerField(min_value=60, max_value=2592000)
 
 class AddChannelForm(forms.ModelForm):
 
@@ -42,3 +41,8 @@ class AddWebhookForm(forms.Form):
 
     def get_value(self):
         return "{value_down}\n{value_up}".format(**self.cleaned_data)
+
+
+class NagUserForm(forms.Form):
+    """Form for nagging the user"""
+    nag = forms.BooleanField(required=False)
diff --git a/hc/front/tests/test_update_timeout.py b/hc/front/tests/test_update_timeout.py
index 06ccad3..1b44f32 100644
--- a/hc/front/tests/test_update_timeout.py
+++ b/hc/front/tests/test_update_timeout.py
@@ -11,7 +11,7 @@ def setUp(self):
 
     def test_it_works(self):
         url = "/checks/%s/timeout/" % self.check.code
-        payload = {"timeout": 3600, "grace": 60}
+        payload = {"timeout": 3600, "grace": 60, "new_nag_after": 60}
 
         self.client.login(username="alice@example.org", password="password")
         r = self.client.post(url, data=payload)
@@ -20,10 +20,11 @@ def test_it_works(self):
         check = Check.objects.get(code=self.check.code)
         assert check.timeout.total_seconds() == 3600
         assert check.grace.total_seconds() == 60
+        assert check.new_nag_after.total_seconds() == 60
 
     def test_team_access_works(self):
         url = "/checks/%s/timeout/" % self.check.code
-        payload = {"timeout": 7200, "grace": 60}
+        payload = {"timeout": 7200, "grace": 60, "new_nag_after": 60}
 
         # Logging in as bob, not alice. Bob has team access so this
         # should work.
diff --git a/hc/front/urls.py b/hc/front/urls.py
index 53befc6..81417cd 100644
--- a/hc/front/urls.py
+++ b/hc/front/urls.py
@@ -8,6 +8,7 @@
     url(r'^pause/$', views.pause, name="hc-pause"),
     url(r'^remove/$', views.remove_check, name="hc-remove-check"),
     url(r'^log/$', views.log, name="hc-log"),
+    url(r'^nag_status/$', views.nag_user, name="hc-update-nag"),
 ]
 
 channel_urls = [
diff --git a/hc/front/views.py b/hc/front/views.py
index 967e973..c7028a6 100644
--- a/hc/front/views.py
+++ b/hc/front/views.py
@@ -15,10 +15,10 @@
 from django.utils.six.moves.urllib.parse import urlencode
 from hc.api.decorators import uuid_or_400
 from hc.api.models import DEFAULT_GRACE, DEFAULT_TIMEOUT, Channel, Check, Ping
-from hc.front.forms import (AddChannelForm, AddWebhookForm, NameTagsForm,
-                            TimeoutForm)
+from hc.front.forms import (AddChannelForm, AddWebhookForm, NameTagsForm,TimeoutForm, NagUserForm)
 from hc.accounts.models import Member
 
+
 # from itertools recipes:
 def pairwise(iterable):
     "s -> (s0,s1), (s1,s2), (s2, s3), ..."
@@ -173,6 +173,7 @@ def update_timeout(request, code):
     if form.is_valid():
         check.timeout = td(seconds=form.cleaned_data["timeout"])
         check.grace = td(seconds=form.cleaned_data["grace"])
+        check.new_nag_after = td(seconds=form.cleaned_data["new_nag_after"])
         check.save()
 
     return redirect("hc-checks")
@@ -575,3 +576,21 @@ def privacy(request):
 
 def terms(request):
     return render(request, "front/terms.html", {})
+
+
+@login_required
+@uuid_or_400
+def nag_user(request, code):
+    """Function for updating the nag option"""
+    assert request.method == "POST"
+
+    check = get_object_or_404(Check, code=code)
+    if check.user_id != request.team.user.id:
+        return HttpResponseForbidden()
+
+    form = NagUserForm(request.POST)
+    if form.is_valid():
+        check.nag_status = form.cleaned_data["nag"]
+        check.save()
+
+    return redirect("hc-checks")
\ No newline at end of file
diff --git a/static/css/my_checks.css b/static/css/my_checks.css
index 6a1a925..26df8e8 100644
--- a/static/css/my_checks.css
+++ b/static/css/my_checks.css
@@ -38,6 +38,14 @@
 #grace-slider.noUi-connect {
   background: #f0ad4e;
 }
+/*Add nag slider*/
+#nag-slider {
+    margin: 20px 50px 110px 50px;
+}
+
+#nag-slider.noUi-connect {
+  background: #f0ad4e;
+}
 
 #period-slider .noUi-value, #grace-slider .noUi-value {
     width: 60px;
diff --git a/static/css/my_checks_desktop.css b/static/css/my_checks_desktop.css
index 6ef2e13..b91e13b 100644
--- a/static/css/my_checks_desktop.css
+++ b/static/css/my_checks_desktop.css
@@ -48,6 +48,15 @@ table.table tr > th.th-name {
     padding: 6px;
     display: block;
 }
+/* Add nag*/
+#checks-table .timeout-nag {
+    border: 1px solid rgba(0, 0, 0, 0);
+    padding: 6px;
+    display: block;
+}
+#checks-table tr:hover .timeout-grace {
+    border: 1px dotted #AAA;
+}
 
 #checks-table tr:hover .timeout-grace {
     border: 1px dotted #AAA;
diff --git a/static/js/checks.js b/static/js/checks.js
index 6f255c5..19e88e8 100644
--- a/static/js/checks.js
+++ b/static/js/checks.js
@@ -92,6 +92,34 @@ $(function () {
         $("#update-timeout-grace").val(rounded);
     });
 
+    var nagSlider = document.getElementById("nag-slider");
+    noUiSlider.create(nagSlider, {
+        start: [20],
+        connect: "lower",
+        range: {
+            'min': [60, 60],
+            '33%': [3600, 3600],
+            '66%': [86400, 86400],
+            '83%': [604800, 604800],
+            'max': 2592000,
+        },
+        pips: {
+            mode: 'values',
+            values: [60, 1800, 3600, 43200, 86400, 604800, 2592000],
+            density: 4,
+            format: {
+                to: secsToText,
+                from: function() {}
+            }
+        }
+    });
+
+    nagSlider.noUiSlider.on("update", function(a, b, value) {
+        var rounded = Math.round(value);
+        $("#nag-slider-value").text(secsToText(rounded));
+        $("#update-timeout-nag").val(rounded);
+    });
+
 
     $('[data-toggle="tooltip"]').tooltip();
 
@@ -203,5 +231,16 @@ $(function () {
         prompt("Press Ctrl+C to select:", text)
     });
 
+    $(".update-nag").click(function() {
+        var $this = $(this);
+
+        $("#update-nag-form").attr("action", $this.data("url"));
+        $("#update-nag-input").val($this.data("nag"));
+        $('#update-nag-modal').modal("show");
+        $("#update-nag-input").focus();
+
+        return false;
+    });
+
 
 });
diff --git a/templates/front/my_checks.html b/templates/front/my_checks.html
index e28a7cb..21f35be 100644
--- a/templates/front/my_checks.html
+++ b/templates/front/my_checks.html
@@ -116,6 +116,7 @@ <h4 class="update-timeout-title">Name and Tags</h4>
             {% csrf_token %}
             <input type="hidden" name="timeout" id="update-timeout-timeout" />
             <input type="hidden" name="grace" id="update-timeout-grace" />
+            <input type="hidden" name="new_nag_after" id="update-timeout-nag" />
             <div class="modal-content">
                 <div class="modal-body">
                     <div class="update-timeout-info text-center">
@@ -149,6 +150,22 @@ <h4 class="update-timeout-title">Name and Tags</h4>
 
                     <div id="grace-slider"></div>
 
+                    <div class="update-timeout-info text-center">
+                        <span
+                            class="update-timeout-label"
+                            data-toggle="tooltip"
+                            title="When check is down, what period to wait until alerts are resent">
+                            Nag Time
+                        </span>
+                        <span
+                            id="nag-slider-value"
+                            class="update-timeout-value">
+                            1 day
+                        </span>
+                    </div>
+
+                    <div id="nag-slider"></div>
+
                     <div class="update-timeout-terms">
                         <p>
                             <span>Period</span>
@@ -274,6 +291,44 @@ <h4 class="remove-check-title">Remove Check <span class="remove-check-name"></sp
     </div>
 </div>
 
+<div id="update-nag-modal" class="modal">
+    <div class="modal-dialog">
+        <form id="update-nag-form" method="post" >
+            {% csrf_token %}
+            <input type="hidden" name="timeout" id="update-nag" />
+            <div class="modal-content">
+                <div class="modal-header">
+                    <button type="button" class="close" data-dismiss="modal">&times;</button>
+                    <h3>Nag</h3>
+                </div>
+                <div class="modal-body">
+
+                    <div class="update-nag">
+                        <div class="form-group">
+                            <label for="sel">Nag mode is turned:</label>
+                            <select name='nag' class="form-control" required>
+                                <option value="" disabled selected>Select your option</option>
+                                <option value="False">SWITCH OFF</option>
+                                <option value="True">SWITCH ON</option>
+                            </select>
+                        </div>
+                        <p>
+                            <h4><B>ON</B>: When a check is down, send periodic notifications(nags) until it is resolved.</h4>
+                            <br>
+                            <h4><B>OFF</B>: When a check is down, no periodic notifications(nags)</h4>
+                        </p>
+                    </div>
+
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
+                    <button type="submit" class="btn btn-primary">Save</button>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
 <form id="pause-form" method="post">
     {% csrf_token %}
 </form>
diff --git a/templates/front/my_checks_desktop.html b/templates/front/my_checks_desktop.html
index 370b884..5a77533 100644
--- a/templates/front/my_checks_desktop.html
+++ b/templates/front/my_checks_desktop.html
@@ -6,9 +6,11 @@
         <th>Ping URL</th>
         <th class="th-period">
             Period <br />
-            <span class="checks-subline">Grace</span>
+            <span class="checks-subline">Grace</span><br/>
+            Nag Interval
         </th>
         <th>Last Ping</th>
+        <th>Nag Status</th>
         <th></th>
     </tr>
     {% for check in checks %}
@@ -54,12 +56,17 @@
                 data-url="{% url 'hc-update-timeout' check.code %}"
                 data-timeout="{{ check.timeout.total_seconds }}"
                 data-grace="{{ check.grace.total_seconds }}"
+                data-nag="{{ check.new_nag_after.total_seconds }}"
                 class="timeout-grace">
                 {{ check.timeout|hc_duration }}
                 <br />
                 <span class="checks-subline">
                 {{ check.grace|hc_duration }}
                 </span>
+                <br />
+                <span class="timeout-nag">
+                {{ check.new_nag_after|hc_duration }}
+                </span>
             </span>
         </td>
         <td>
@@ -73,6 +80,24 @@
             Never
         {% endif %}
         </td>
+        <td>
+            {% if check.nag_after > check.alert_after and check.nag_status == True %}
+                <button
+                    data-nag="{{ check.nag_status }}"
+                    data-url="{% url 'hc-update-nag' check.code %}"
+                    class="btn btn-danger update-nag">NAGGING!</button>
+            {% elif check.nag_status == True %}
+                <button
+                    data-nag="{{ check.nag_status }}"
+                    data-url="{% url 'hc-update-nag' check.code %}"
+                    class="btn btn-info update-nag">Nag On</button>
+            {% else %}
+                <button
+                    data-nag="{{ check.nag_status }}"
+                    data-url="{% url 'hc-update-nag' check.code %}"
+                    class="btn btn-default update-nag">Nag Off</button>
+            {% endif %}  
+        </td>
         <td>
             <div class="check-menu dropdown">
                 <button class="btn btn-sm btn-default dropdown-toggle" type="button" data-toggle="dropdown">
diff --git a/templates/front/my_checks_mobile.html b/templates/front/my_checks_mobile.html
index f4b5bfd..ed00dff 100644
--- a/templates/front/my_checks_mobile.html
+++ b/templates/front/my_checks_mobile.html
@@ -84,6 +84,26 @@ <h2>
                 data-grace="{{ check.grace.total_seconds }}"
                 class="btn btn-default timeout-grace">Change Period</a>
 
+                {% if check.nag_after > check.alert_after and check.nag_status == True %}
+                <a
+                    href="#"
+                    data-nag="{{ check.nag_status }}"
+                    data-url="{% url 'hc-update-nag' check.code %}"
+                    class="btn btn-danger update-nag">NAGGING!</a>
+                {% elif check.nag_status == True %}
+                <a
+                    href="#"
+                    data-nag="{{ check.nag_status }}"
+                    data-url="{% url 'hc-update-nag' check.code %}"
+                    class="btn btn-info update-nag">Nag ON</a>
+                {% else %}
+                <a
+                    href="#"
+                    data-nag="{{ check.nag_status }}"
+                    data-url="{% url 'hc-update-nag' check.code %}"
+                    class="btn btn-default update-nag">Nag OFF</a>
+                {% endif %}
+
             <a href="{% url 'hc-log' check.code %}" class="btn btn-default">Log</a>
         </div>