´It was narrated from Jabir that:` The Prophet was asked about seawater, and he said: "Its water is a means of purification, and its dead meat is permissible." (Hasan) Another chain with similar wording.
Hadith Referenceسنن ابن ماجه / كتاب الطهارة وسننها / 388
Hadith Gradingالألبانی:حسن صحيح | زبیر علی زئی:إسناده حسن