How to say “This dish soap's really concentrated — a single drop does the whole sink.” in Japanese
In Japanese
この食器用洗剤、かなり濃縮されてるね。一滴でシンクの洗い物が全部片づいちゃう。
Kono shokkiyō senzai, kanari nōshuku sareteru ne. Itteki de shinku no araimono ga zenbu katazuichau.