diff --git a/byostorage/cached.py b/byostorage/cached.py
index 87fde0d..03bd3fc 100644
--- a/byostorage/cached.py
+++ b/byostorage/cached.py
@@ -13,15 +13,16 @@ logger = logging.getLogger(__name__)
 @deconstructible
 class CachedStorage(Storage):
     
-    CACHE_EXPIRES = 30
-
-    def __init__(self, remote=None, cachedir=None):
+    def __init__(self, remote=None, cachedir=None, expires=600):
         if not remote:
             remote = settings.CACHED_STORAGE_REMOTE
         if not cachedir:
             cachedir = settings.CACHED_STORAGE_DIR
+        
         self.remote = get_storage_class(remote)()
         self.cachedir = cachedir
+        self.expires = expires
+
         os.makedirs(self.cachedir, exist_ok=True)
         self.clean()
 
@@ -89,12 +90,12 @@ class CachedStorage(Storage):
 
     def clean(self):
         now = time.time()
-        threshold = now - self.CACHE_EXPIRES
-        logger.info("Removing cached files older than %d seconds", self.CACHE_EXPIRES)
+        threshold = now - self.expires
+        logger.info("Removing cached files older than %d seconds", self.expires)
         for f in os.listdir(self.cachedir):
             f = os.path.join(self.cachedir, f)
             s = os.stat(f)
             if s.st_atime < threshold:
                 logger.debug("Removing %s", f)
                 os.unlink(f)
-        self.next_check = now + 300
+        self.next_check = now + 300 # wait at least 5 minutes before running again
diff --git a/byostorage/multi.py b/byostorage/multi.py
index d56f497..0923626 100644
--- a/byostorage/multi.py
+++ b/byostorage/multi.py
@@ -6,6 +6,9 @@ from django.utils.deconstruct import deconstructible
 TODO: Create a signal to remove instances from cache if modified
 '''
 
+import logging
+logger = logging.getLogger(__name__)
+
 @deconstructible
 class MultiStorage(Storage):
     ''' Django storage class that proxies multiple storage classes.
@@ -36,17 +39,15 @@ class MultiStorage(Storage):
         return self.DELIM.join((storage, name))
 
     def _proxy(self, method, name, *args, **kwargs):
-        print('PROXY', method, name, *args, **kwargs)
         storage, p = self.split(name)
         result =  getattr(self.get_storage(storage), method)(p, *args, **kwargs)
-        print("RESULT", result)
+        logger.debug("Proxy: %s(%r, *%r, **%r) => %r", method, name, args, kwargs, result)
         return result
 
     def _proxy_name(self, method, name, *args, **kwargs):
-        print('PROXY_NAME', method, name, *args, **kwargs)
         storage, p = self.split(name)
         result = getattr(self.get_storage(storage), method)(p, *args, **kwargs)
-        print("RESULT", result)
+        logger.debug("Proxy: %s(%r, *%r, **%r) => %s:%s", method, name, args, kwargs, storage, result)
         return self.join(storage, result)
 
     def _open(self, name, mode='rb'):