So last year I fished smelts almost exclusively on QR's for pike. However, the smelts needed to be thawed, or else they'd just float at the surface or upside down. And when you're fishing in -30 weather in Saskatchewan, thawing them can be a little difficult.
With that said, how do frozen (not thawed) Ciscoes, Herring, Sardines, or Mackerel act? Do they need to be thawed in order to sink, or will any of them sink like a rock right off the bat.