Hi, I have 2 Antminers hashing differently. Want to know if this is common or could be corrected with tweaking ?
What are they? Antminer S3's? Could you post a pic of each WebUI status page instead? Also try a proper pool, like Kano.is to monitor at the pool side. You can then use
http://ckpoolmonitor.zachmonroe.com/index.php if you want in depth back-log of your miner's performance.