Quote Originally Posted by pitdogg2 View Post
Well it more than likely is the same as magnavore pura nitrate lock. I used both in my water only tank with great results. The nitrate lock will not remove any organics

http://www.magnavore.com/store/en/ni...ck-500-ml.html
OK - I just ordered some magnavore. I have used Purigen and it does keep water clear but doesn't do much on nitrates.