americanaquariumproducts is hot garbage. Barely readable. Few, if any, citations to sources other than himself.
Level 1 and level 2 are terms he made up. Category A-C as well (which is why he tries to copyright them).
The numbers for protozoans are completely out of whack with scientific papers.
And the slow flow rate requirement is a myth for recirculating systems. Although I will give him credit for mentioning that turnover rate matters. After decades of working with UV he's almost grasped some of the basic concepts.
There is a lot here that I know nothing about- namely, UV sterilizers, thats why I asked. Thanks for elaborating on this. Ill look further into your points.
But, as far as fish medications and descriptions of their application his site is not all "garbage."
I think that assessment would be unfair. I would agree that some of the information is over- hyped due to his also being a retailer. For instance, his backing of products like Melafix. And I still dont get the value in his Wondershells -is that what their called?
Another but-- there is much here that can be corroborated with other reputable sources. I dont just take the advice of one source-- especially one on the internet. But, also refer to scientific journals, my own texts ( I have Noga's text on Fish Disease and a handful of others). Are there questionable parts due to the recommendations coming form a retailer- sure. But, I would say the parts that are problematic are much less than the parts that are informative to the home hobbyist. His very thorough look at Columnaris and Saprolegnia is one of the best Ive seen anywhere. It is excellent.
It is up to the individual to do their due diligence and cross-reference anything you learn with corroborating information. And I have and do daily. Thats why I know-- for a fact-- that not all
he puts on his pages is "garbage". Again, that assessment is unfair.