The San Juan worm, a small, orange worm, doesn't produce the way it did 20-30 years ago. The temps can drop to the 20's and 30's at night, then be 60's or 70's the next day.
Small black midges in size 22-24 are favored. Use an attractor on top like the red one and a black midge on bottom one and one half times the depth of the water. May need a split shot.
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