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Thank you @marinaart! :) I used quite thick paper specially made for watercolor. I think it was made in Russia, have to check. I love it because it takes punishment of water very well. I just ran out of it, but hope to get some more soon. Have to visit my tiny artist shop in the city.

Most of my watercolor paper from Canson warps a little unless I stretch it on the board . I never see around my area super heavy wight paper from Russia :(