Sure.
First, it's copper based.
Second, they have contraditary terms on their info, which sends up a red flag.
"Replaces need for pool chemicals"
Then they say "Reduce the need for chlorine by about 80%"
So, which is it? Answer, neither.
"No more bleached hair or bathing suits, dry skin or itchy eyes"
Properly maintained, you won't have this anyway.
"Proven technology"
By who?