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getting double image of particle effect above refacted material

Im trying to make a cartoon water ripple effect, i cast down and detect water phys material. When i spawn the particle effect (flipbook masked material) at the hit location it renders what LOOKS like a reflection.

It isnt a reflection however, the water material is set with no roughness option or set at fully rough.

I think it has something to do with how refraction works (I dont understand it fully but it looks like its taking a duplicate image of the screen and distorting it). This is 100% the case as if I turn off refraction I do not get this error.

Transparent sort order also doesn't seem to affect the problem, no mater if i set the particle effect or the water meshes from -100 to 100.

if I spawn the particle effect a few points below the surface of the water I get what looks like a shadow above the particle effect.

how can I stop getting the "reflected" image and just draw the single particle image. alt text

Product Version: UE 4.19
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asked Oct 05 '18 at 09:12 PM in Rendering

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ryde
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