Since it is still a protein based biopolymer, it is going to naturally decompose. Per the article, it may be doped with zinc, which is very not good in excess i

Since it is still a protein based biopolymer, it is going to naturally decompose. Per the article, it may be doped with zinc, which is very not good in excess in water supplies. It'd need to be pretty heavily treated to make it suitable for any application where safety is a concern.