Sorry, but if you read the article ht effective constituents are approximately the same. As with many hobbies and indeed industries I've been involved with, a brand name or title highly increases the price. It;'s for the individual to choosa based upon informed choice rather than a label a manufacturer chooses to to put on their bottle and market as. If I have made a mistake in thinking that Britmodeller was a friendly site where we echanged and asked idea. Then by all mean, please @root delete the article . I simply thought it was interesting,
FYI totally different hobby. Marine aquaculture filter socks cost £6 they are actually dairy milk filters that cost £.0:10 its all a label. I shared something I thought might be of interest and might help.