You're supposed to dilute the disinfectant — you used it full strength, didn't you?

How to say “You're supposed to dilute the disinfectant — you used it full strength, didn't you?” in Japanese

In Japanese

消毒液(しょうどくえき)は薄(うす)めて使(つか)うものなんだよ。まさか原液(げんえき)のまま使(つか)った？

Shōdokueki wa usumete tsukau mono na n da yo. Masaka gen'eki no mama tsukatta?

You're supposed to dilute the disinfectant — you used it full strength, didn't you? in other languages