diff --git a/cristallina.py b/cristallina.py
index 4d1ce47..4ccddd9 100644
--- a/cristallina.py
+++ b/cristallina.py
@@ -1,11 +1,6 @@
 #!/usr/bin/env python
 import sys
 import os
-import time
-from time import sleep
-
-import numpy as np
-
 
 # at the moment this allows us to group the subdirectories as modules easily
 # TODO: a more general way would be to have this cristallina as a installed package
@@ -14,7 +9,6 @@ os.chdir("/sf/cristallina/applications/slic/cristallina")
 # setup logging
 from loguru import logger
 
-
 def setup_logging():
     logger.remove()
     logger.add(
@@ -25,24 +19,36 @@ def setup_logging():
     logger.info("Loading started.")
 
     # create file handler which logs
-    # TODO: better directory for log files? should not be pgroup specific so that this always works
+    # TODO: better directory for general log files?
     try:
         logger.add(
             "/sf/cristallina/applications/slic/cristallina/log/cristallina.log",
             format="{time:YYYY-MM-DD at HH:mm:ss} | {level} | {message}",
             level="DEBUG",
+            rotation="1 week",
         )
     except PermissionError as e:
         logger.warning("Cannot write log file.")
         logger.warning(e)
 
+def setup_logging_pgroup(pgroup, level="INFO"):
+    try:
+        logger.add(
+            f"/sf/cristallina/data/{pgroup}/scratch/slic.log",
+            format="{time:YYYY-MM-DD at HH:mm:ss} | {level} | {message}",
+            level=level,
+            rotation="1 week",
+        )
+    except PermissionError as e:
+        logger.warning(f"Cannot write log file to pgroup {pgroup}.")
+
 
 # We setup the logging before going further so that
 # other modules can write startup messages into the log file.
 setup_logging()
 
 # TODO: this is later overwritten, probably not intended that way?
-from epics import PV
+# from epics import PV
 
 from devices.alignment_laser import AlignmentLaser
 from slic.gui import GUI
@@ -85,7 +91,7 @@ try:
     logger.info("Connected to stand server")
 except Exception as error:
     # catching with a broad net because different connection errors can occur.
-    logger.warning(f"Cannot connect to stand server on {stand_host}. Caught {error}.")
+    logger.warning(f"Cannot connect to stand server on {stand_host}.")
 
 # spreadsheet = Spreadsheet(adjs, placeholders=PLACEHOLDERS, host="127.0.0.1", port=8080))
 
@@ -204,6 +210,9 @@ instrument = "cristallina"
 # pgroup = "p21528"  # Cr-MX Colletier 2023-09-05
 pgroup = "p21516" # Beamline commissioning September 26-27, 2023
 
+# setup pgroup specific logger
+setup_logging_pgroup(pgroup)
+
 daq = SFAcquisition(
     instrument,
     pgroup,