More hypothitical buyll**** form a wanna be fish biologist who only
came as close to a fish biologist as licking joans carpet for
her...Now she thinks she is goddess of Goldies and ponds......NOT! HOw
cum when carol did the rule of thumb bit you all condemed her for it
not being scientific and it wa prone to be dangerious, yet yu and the
other hipocrites from RPM do it all the tme and never geive it a
second thought. HIpocrits is what the mods and patrons of RPM are,
itrs there way or no way, and carol IMHO outdoes you all in what works
and works best at least expense and cost to average owner..book or no
book.......




On Sun, 20 May 2007 12:04:38 GMT, wrote:

http://edis.ifas.ufl.edu/BODY_FA008
" A good rule of thumb is to
divide the total alkalinity (in parts per million) by
100 to get the concentration of copper sulfate to use
in parts per million (1 ppm = 1 milligram/liter) "

in other words, as the hardness increases, the concentration should increase. since
you got soft water, you dont need as much.

http://www.ams.usda.gov/NOP/National.../cprsulfte.pdf
Ingrid


"Sky-Catcher" bobhope@nohope wrote:

OK - I can get 500g of copper sulphate on ebay for £6.00 - Anyone know how
much I should add per 1000 litres of pond water to destroy the snails
(without over doing it and cost me too much!).

Thanks for ALL of your help to date....




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-------
I forgot more about ponds and koi than I'll ever know!