I can't even find this dang thing anywhere on the internet. No matter what google terms I try, I get a variety of filters using the term "nano" in their names.
IMHO, it takes some weird combination of intestinal fortitude, naivete and blind faith to plug some poorly-understood gadget in and drop it into your tank. How does it work? What does it actually do? Sorry, but without some detailed explanations of at least the theory behind it...which
TwoTankAmin
has found that the makers don't want to release...I wouldn't touch it.
Not leaving giant fungus-covered piles of uneaten food lying around inside a fishtank would probably be just as productive towards having a healthy tank as using this mysterious "sterilizer".