Well since blue this the last color that would show down 40' in crystal clear water I would guess blue or violet will show deeper than others.

Is that as deep as they go where you are? Here in the winter they get in the river and they are down about 40'. That is why from Dec. through Feb. here (on Toledo Bend) you can't trow any back, so you keep all you catch up to your limit of 50 each.

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