una vasca di 60 litri sara' sui 50 cm mettiamoci due filtri interni da 10 cm minimo e diventa 30 cm....mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm mmmmmmmmmmmmmmmmmmmmmmmmmm che merdaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa!!!!! !!!!!!!!!!!!!!!!!!!
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