FTC fines weight loss pill firms $25M - Yahoo! News

While this is for human health products, it also shows such homepathic product that also have edged into the aquarium trade are also very similar.
But when these companies make these claim, do not assume they are all on the up and up.

Nearly every field and hobby has a similar issue with various products.
"Hydrilla pills" are an excellent example.

Health benefits aquatic green foods have been revered as nutritional SuperFoods

It's when these larger comapnies and lots of $ are being made at the expense of consumers does the FTC step in and investigate such claims.

Some common sense goes a long way.

Penac is another such company:

The Plocher™-Technology: Proven Know How

Transfer of energy and oxygenation of water is right in that alley.
Review here and read how they word things in the Penac sales pitch vs what is stated in the Psuedoscience in the market place section:

Structured Water Pseudoscience and Quackery

And

How the AquaKat works

Home Drinking Water Treatments | Water Filter Products Compared

All for 800$ huh?

I rag on such companies that take advanatge of folks, the hobby is better off with fewer such things and more testing stuff, rather than give me your money for this snake oil that cures darn near everything.

I really hope more will question things, test and waste less time defending products that appeal to your sense of fair play, or what "science does not know", especially when asking for your $$$ based on faith, rather than any real support.

Regards,
Tom Barr