# Black spots/mould? at end of honey flow channel **URL:** \ **Category:** Flow Hive\ **Created:** [September 21, 2018, 7:05am UTC](https://forum.honeyflow.com/t/black-spots-mould-at-end-of-honey-flow-channel/16332 "2018-09-21T07:05:37Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![oatkir](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.honeyflow.com/oatkir/32/1618_2.png) [@oatkir](https://forum.honeyflow.com/u/oatkir)\ **Post date:** [September 21, 2018, 11:44am UTC](https://forum.honeyflow.com/t/black-spots-mould-at-end-of-honey-flow-channel/16332/2 "2018-09-21T11:44:44Z")
There’s some related info discussed in this topic, not sure we really got to the bottom of the issue though? Maybe @semaphore has some further updates on the problem? Mine is OK this season since I’ve really kept an eye on condensation compared to last. > [@Notes on leaving flow super over winter](https://forum.honeyflow.com/t/notes-on-leaving-flow-super-over-winter/15581): > > I have a hive that has now had its flow super on it for two winters. Last season at the end of autumn the frames were half full of honey- over winter the frames remained uncapped but half full. In spring the bees finished them off and I harvested… This year I harvested them at the end of autumn and they went into winter empty… since then no honey has gone in and bee activity is low. Now the frames are damp with condensation on the view window. And the frames have gone a bit black with- I assume… --- _[View the full topic](https://forum.honeyflow.com/t/black-spots-mould-at-end-of-honey-flow-channel/16332)._