diff --git a/sky-cam.conf b/sky-cam.conf
index ffe38d6..ed9d92b 100644
--- a/sky-cam.conf
+++ b/sky-cam.conf
@@ -259,19 +259,15 @@ AUDIO_BITRATE=192k       # montage-mvt.sh           — music track on movement
 # Corrupt or empty frames (e.g. first frame after a camera reconnect) are always
 # skipped automatically via ffprobe.  No config needed.
 #
-# SEASONS_GREY_STDDEV_MIN: also skip uniform-grey frames caused by a bad RTSP
-# signal (valid JPEGs, but near-solid grey — no real image content).
-# A frame is only skipped when BOTH conditions hold:
-#   1. pixel standard deviation (0–255) is below SEASONS_GREY_STDDEV_MIN
-#   2. mean brightness (0–255) is above SEASONS_GREY_DARK_FLOOR
-# This keeps genuine night frames (dark + low stddev) while dropping
-# bad-signal grey frames (mid-bright + low stddev).
-#
-# SEASONS_GREY_STDDEV_MIN=0 disables the filter entirely (default).
-# Try 5–10 if your camera produces solid-grey frames on reconnect.
-# Requires ImageMagick (convert) to be installed.
-SEASONS_GREY_STDDEV_MIN=0
-SEASONS_GREY_DARK_FLOOR=30   # frames with mean brightness below this are always kept
+# SEASONS_GREY_STDDEV_MIN / SEASONS_GREY_DARK_FLOOR — optional bad-signal filter.
+# Uncomment both lines to enable.  A frame is dropped only when BOTH are true:
+#   1. pixel standard deviation (0–255) < SEASONS_GREY_STDDEV_MIN  (frame is uniform)
+#   2. mean brightness (0–255)          > SEASONS_GREY_DARK_FLOOR  (frame is not dark)
+# This keeps genuine night frames (dark + low variation) while dropping
+# solid-grey bad-signal frames (mid-bright + no variation).
+# Requires ImageMagick (convert).  Start with these values and tune from there:
+#SEASONS_GREY_STDDEV_MIN=5    # skip if stdev < 5 (very uniform)
+#SEASONS_GREY_DARK_FLOOR=30   # …but only if mean brightness > 30 (not a night frame)
 
 # ── Montage attribution overlay ───────────────────────────────────────────────
 # A translucent bar across the top of each movement montage, naming the