thx, i new it sunk...and that csiro was part of this....so can only assume that quantities of 'stuff' lying on the bottom is not huge (or intrusive). I tried to research this some months ago (some european lake contract or something prompted me) and could find nothing about what happens when it sinks down. info tightly held but you would have to assume that the enviro peeps have given it a tick......anyway, good luck.Hi @HelloU
http://www.phoslock.com.au/site/what-we-do/products
It combines with Phosphate to form a type of 'sand'. I don't believe it will rise to the top.
It has taken them so many years of trials, etc. Now they are winning contracts to clean up lakes.
This Capital Raise was well over subscribed.
http://www.phoslock.com.au/site/PDF/3204_1/55mCapitalRaisingheavilyoversubscribed
I missed out on 36cents (and lower). I wished I actually paid attention to @peter2 and @greggles charts rather than just think "another chart". There was a real story here and I never read it until it was too late.
Unfortunately, due to lack of funds, I only brought a "speccy" amount of shares when I believe that I should invest more. If I can find funds, maybe I should 'average up'.
Here are some of their recent successes:
http://www.phoslock.com.au/site/what-we-do/global-applications