Boosting Water Reflection/Refraction

Any tips on how to boost the power/visibility of light reflecting/refracting off of water, and/or otherwise make it appear more natural? I find it always seems very weak and just not at all convincing by default for me.

Just to be clear, I’m not talking about the reflections of objects and such - but rather the waves of light you see at the bottom of a pool, and on the walls around it~

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As Cycle is a path tracer, (calculating rays from the camera to the objects…in short terms). It’s not the best engine for caustics. you ll have to invest a lot of samples to reach that goal.
you’d better use LuxCore . it’s a bi-directional tracer that makes it better. and it’s integrated in your favorite software…and open source.

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You should try LuxCore render engine, just enabling Light tracing and adding some disperion and you can get results like this:

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