Extraordinary claims like this require extraordinary proof.
I stand 1 million % behind my statement (all the way back at the beginning of this thread).
I have seen nothing in this thread that constitutes any kind of proof that these things do what they say they do.
And until I do see proof, I will continue to advise people to be wary. All the point I brought up so far have yet to be addressed.
How do these crystals turn ammonia into nitrate?
How do the crystals release oxygen? And, for that matter,
how did fishkeeping ever get along without them?
To all the people who think that I and Andy have to
disprove that these crystals don't do what their manufacturer claims, I'm going to claim that an invisible troll lives in my cupboard and every night blesses my fish by saying his secret magic words and that's why my fish don't get diseases.
Disprove that How do you
know that there isn't an invisible troll living in my cupboard. You can't.
And that is my main point. It is
not my or Andy's job to disprove the claims of anyone trying to sell something -- it is up to the claimer to
prove that his product works like he says it does. The onus is on the one making the claim. We do
NOT have to entertain every farfetched notion until they are proven wrong.
Look. You wouldn't buy a used car from a guy advertising in the newspaper without taking it for a test drive -- proving that it works. You wouldn't buy it just taking a complete stranger at his word, would you? If you would, I've got some lovely property deeds I'd like to sell you, very cheap, and oyu have my word that they are indeed for the actual Brooklyn Bridge, the actual Tower of London, and I'll even throw in the deed to the Great Pyramid of Giza.
So, all the way back to my main point.
Extraordinary claims like these require extraordinary proof. Present the proof, and I
guarantee I will change my mind. Present no proof, and I will continue my aggressive skepticism. It is really is that simple.