I bought a blue enhancer out of curiosity as I have no previous experience with colored filters. Took it out while we had clouds for a while. Comparing processed test shots with and without the filter I can't say I see much difference. Maybe there is more effect by the seaside where there is more blue in the view. I really like how the world looks thru my sunglasses and was hoping to replicate that by adding blue enhancer and CPL to the camera, but I'm afraid I'm not getting what I wanted. Anyway, here's a street view in the neighbourhood with filter.
K5 M50/2 ISO80 f8 1/160:
It's sunny outside again. This has been the best May since 1993, I think. Really exceptional. Southern Finland has been one of the hottest areas in Europe this week with 30C temperatures. Quite a contrast to how I started this month