Help with liquid animation filling a pipe

[MarkHunte]

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Masking Elements by using Content Overflow & Groups Help!

I’m trying to create a clipping mask over an image. Ive been following these instructions Masking Elements by using Content Overflow & Groups but it only works horizontally. When i try to make the ‘water’ reveal from bottom to top the position of the water moves with it. How do keep the water in the same position? [image]