我的ROCA座廁水箱有裂縫,想只換個水箱,想知道那裡可以買到?謝謝!?

Generally, water tanks are universal. So you don't need to buy a matching tank.

If for some reasons, matching is required (special design). That means you need to replace the entire toilet.

Check with related store.

應該唔會有，要買成套，上海街，新填地街有大量