Here ya go Eddy. If you have the time it's tough to beat Pollocks brine with the Mrs Stuarts bluing. I just use plain old pickling salt up here in AK though because of the sheer volume of bait we go thru and the lack of time.
I'm a straight pickling salt or sea salt kinda guy myself but I rarely brine overnight. I start the day with frozen bait and let it thaw in a fairly strong brine. If I'm down on the Columbia River for a couple days then the colorings, bluing and scents might come out...
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I do not brine my live anchovies and have never heard of anyone doing that before...... oh wait, sorry, with 60 degree water off our coast all I can think about is tuna.