Wet grinding, apply new layers of antifouling paint.
Use C1 shell and fouling remover.
Is it necessary to always sand the surface between application of two different products?
We recommend to always sand the surface between applying two different products to ensure uniform surface roughness and adhesion of subsequent layers. The sanded surface should also be cleaned and degreased.
Why does the paint have no adhesion?
Possible causes
Wrong surface preparation,
Skipping the primer in the system application process,