GardenBanter.co.uk - View Single Post

20-04-2006, 06:29 AM posted to rec.gardens.orchids

In article . com,
says...
~
~Reka wrote:
~ ...and it's late. If I want to soak my orchids in Physan 20 solution and
~ need 2 tsp. of 20% Physan per gallon of water,how many tsp. do I need of
~ 50% Physan for 5 liters?
~
~converting 1 ga into 3.8L gives you a concentration of 10ml to 3.8l or
~.5262ml 100% physan to 1L, time that by five, devide it by .5 (solution
~precentage) you get 5.2631ml
~
~or a hefty teaspoon of the 50% stuff
~
~Yep I'm board
~
~Jack
~
~
But does that take into consideration that Physan is 20% while my solution
is 50%?
--
--
Reka

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