diff --git a/lib/philomena/workers/tag_change_revert_worker.ex b/lib/philomena/workers/tag_change_revert_worker.ex
index 69433e95..774bfd6a 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 6978cba1..3ebfd471 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 b065f86a..dae6b6a2 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 ac6ead35..c752d9ff 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