diff --git a/lib/philomena/workers/tag_change_revert_worker.ex b/lib/philomena/workers/tag_change_revert_worker.ex
index 69433e955..774bfd6af 100644
--- a/lib/philomena/workers/tag_change_revert_worker.ex
+++ b/lib/philomena/workers/tag_change_revert_worker.ex
@@ -24,7 +24,10 @@ defmodule Philomena.TagChangeRevertWorker do
   end
 
   defp revert_all(queryable, attributes) do
-    Batch.query_batches(queryable, [batch_size: 100], fn queryable ->
+    batch_size = attributes["batch_size"] || 100
+    attributes = Map.delete(attributes, "batch_size")
+
+    Batch.query_batches(queryable, [batch_size: batch_size], fn queryable ->
       ids = Repo.all(select(queryable, [tc], tc.id))
       TagChanges.mass_revert(ids, cast_ip(atomify_keys(attributes)))
     end)
diff --git a/lib/philomena_web/controllers/tag_change/full_revert_controller.ex b/lib/philomena_web/controllers/tag_change/full_revert_controller.ex
index 6978cba19..3ebfd4715 100644
--- a/lib/philomena_web/controllers/tag_change/full_revert_controller.ex
+++ b/lib/philomena_web/controllers/tag_change/full_revert_controller.ex
@@ -7,15 +7,14 @@ defmodule PhilomenaWeb.TagChange.FullRevertController do
   plug :verify_authorized
   plug PhilomenaWeb.UserAttributionPlug
 
-  def create(conn, params) do
-    attributes = conn.assigns.attributes
-
+  def create(%{assigns: %{attributes: attributes}} = conn, params) do
     attributes = %{
       ip: to_string(attributes[:ip]),
       fingerprint: attributes[:fingerprint],
       referrer: attributes[:referrer],
       user_agent: attributes[:referrer],
-      user_id: attributes[:user].id
+      user_id: attributes[:user].id,
+      batch_size: attributes[:batch_size] || 100
     }
 
     case params do
diff --git a/lib/philomena_web/templates/fingerprint_profile/show.html.slime b/lib/philomena_web/templates/fingerprint_profile/show.html.slime
index b065f86a2..dae6b6a27 100644
--- a/lib/philomena_web/templates/fingerprint_profile/show.html.slime
+++ b/lib/philomena_web/templates/fingerprint_profile/show.html.slime
@@ -20,6 +20,7 @@ ul
 h2 Actions
 ul
   li = link "Revert all tag changes", to: Routes.tag_change_full_revert_path(@conn, :create, [fingerprint: @fingerprint]), data: [confirm: "Are you really, really sure?", method: "create"]
+  li = link "...the button above didn't work (use carefully, this is resource-intensive)", to: Routes.tag_change_full_revert_path(@conn, :create, [fingerprint: @fingerprint, batch_size: 1]), data: [confirm: "Please confirm that you're aware that this may crash the site and are ready to take on the full wrath of the admins if it does so after you press this button.", method: "create"]
 
 h4 Observed users
 table.table
diff --git a/lib/philomena_web/templates/ip_profile/show.html.slime b/lib/philomena_web/templates/ip_profile/show.html.slime
index ac6ead35b..c752d9ffc 100644
--- a/lib/philomena_web/templates/ip_profile/show.html.slime
+++ b/lib/philomena_web/templates/ip_profile/show.html.slime
@@ -20,6 +20,7 @@ ul
 h2 Actions
 ul
   li = link "Revert all tag changes", to: Routes.tag_change_full_revert_path(@conn, :create, [ip: to_string(@ip)]), data: [confirm: "Are you really, really sure?", method: "create"]
+  li = link "...the button above didn't work (use carefully, this is resource-intensive)", to: Routes.tag_change_full_revert_path(@conn, :create, [ip: to_string(@ip), batch_size: 1]), data: [confirm: "Please confirm that you're aware that this may crash the site and are ready to take on the full wrath of the admins if it does so after you press this button.", method: "create"]
 
 h4 Observed users
 table.table