It proves that algae grows well with excel.

If a product is good for plants it is going to be good for algae which are
just small plants. If a product is bad for algae it is going to be bad for
plants. It is pretty simple really ;op

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Margolis
http://web.archive.org/web/200302152...qs/AGQ2FAQ.htm
http://www.unrealtower.org/faq