[APD] Re: Straw hehaw

["Kai Christensen" <kaihc at oce_gu.se>]

My first posting, hello everyone!

T. Barr wrote
> If you want something that works, that is non chemical, and you cannot have
> plants added, I have solutions for that also.
> There are many things you use in the tool box, but I think BS has gotten
> more play than it deserves.

People report that Seachem Excel does have an effect on algae. Now that may 
be attributed to the carbon source in Excel, which makes me genuinely 
curious about the chemical compound. For my part I don't care if the 
nutrients are defined as "chemicals" or not. I don't have algae problems 
thanks to EI, and I know there are ways of dealing with them other than 
using BS and Excel, but that doesn't ease my curiosity.

> From the information available on the internet, and the few papers that 
non-biologists like me can read, I can't find anything that says BS doesn't 
work in the same way as Excel does. After all, I can't see that anyone 
really understand how any of them work? The active ingredient in Excel is, 
according to Seachem, "polycycloglutaracetal". A Google-search 
"polycycloglutaracetal -excel" returns no hits. A search on ISI Web of 
Science produces nothing. I can probably do very well without both Excel and 
BS, but that doesn't stop me from being inquisitive :-)

Best regards,
Kai






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