Proper blending of overlapping grids

I need to blend three grid together, so they will form one single surface (input changed, so they will start from different frame). However, I have visible seam at the bottom of the surface (feels like).

http://joxi.ru/L21XRoduR8ENom

So, how merge all the grid together, without any seams ?

Single cell overlapping

http://joxi.ru/xAev5MOSRp9vnr

Also, foam shader, when cloned as copy - sometimes doesn’t react on shading properties like point alpha and so on…

Unfortunately merging multiple mesh simulators without seams is not possible for now.

Ok, if not mesh - possible ? Just wondering, how then ocean blending is working - it doesn’t overlap ?

Yup, there is code that takes special care of the ocean.