I have a question guys.
I have 3 GPU rig that normally produces 1.6 Mh. Cg miner is showing that i'm producing 1.6-1.7 Mh but i only get 0.9 Mh on pool.
Is that because of pool or what?
Technically the pool does not know your true hashrate, it can only know what you submitted and infer your hashrate from there. The pool hashrate and your hashrate on your machine will never truly match (at least not all the time).