Those fish aren't picky. Depth, movement, and timing is more important. I did find they tended to like purple, black, and green more than the lighter colours. Red underbellies were also helpful since there aren't any other fish in there other than brookies. I found once a pod has seen your streamer and they haven't taken it then they are likely off the bite. Just like any streamer fishing really, if they don't smash it on the first good presentation then you either have to switch to a totally different streamer and try again or move on to another fish.
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