diff --git a/lib/aprsme/cached_queries.ex b/lib/aprsme/cached_queries.ex
index e4c3d7a..416a7b1 100644
--- a/lib/aprsme/cached_queries.ex
+++ b/lib/aprsme/cached_queries.ex
@@ -7,10 +7,10 @@ defmodule Aprsme.CachedQueries do
   alias Aprsme.Packets
   alias Aprsme.Repo
 
-  # 2 minutes for frequently changing data
-  @cache_ttl_short to_timeout(minute: 2)
-  # 15 minutes for moderately changing data
-  @cache_ttl_medium to_timeout(minute: 15)
+  # 1 minute for frequently changing data
+  @cache_ttl_short to_timeout(minute: 1)
+  # 1 minute for moderately changing data
+  @cache_ttl_medium to_timeout(minute: 1)
 
   @doc """
   Get recent packets with caching
diff --git a/lib/aprsme_web/plugs/ip_geolocation.ex b/lib/aprsme_web/plugs/ip_geolocation.ex
index 9c69999..05bb036 100644
--- a/lib/aprsme_web/plugs/ip_geolocation.ex
+++ b/lib/aprsme_web/plugs/ip_geolocation.ex
@@ -89,7 +89,10 @@ defmodule AprsmeWeb.Plugs.IPGeolocation do
           ip_from_remote =
             case conn.remote_ip do
               {a, b, c, d} -> "#{a}.#{b}.#{c}.#{d}"
-              {a, b, c, d, e, f, g, h} -> "#{a}:#{b}:#{c}:#{d}:#{e}:#{f}:#{g}:#{h}"
+              {a, b, c, d, e, f, g, h} ->
+                # Convert IPv6 tuple to proper IPv6 format
+                :inet.ntoa({a, b, c, d, e, f, g, h})
+                |> to_string()
               _ -> nil
             end