Hi everyone,

I have a 200GHs AntMiner (overclocked from 180GHs) and I mine at GHash.IO.
At first the graph showed me a lot of Low Difficulty shares so I changed the difficulty to 200.
After that I started seeing Stale Shares in the graph, either 200 or 600 per hour (not all hours, some had 0). I then lowered it to 190 and the stale shares lowered to 190/380 (again, not all of them, some hours had 0). I lowered again to 185 and then the stale shares were 185/370 per hour (some hours were 0). As you can see the stale shares are multiples of the difficulty setting.

Why is this happening? Is it normal? Is there something I can do? What difficulty do you recommend me to set?

Thanks in advance!