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[APD] KHCO3 Source!

Arm & Hammer makes potassium bicarbonate.  They sell it by the ton.  It's 
called Flow-K and is a substitute for baking soda for people on sodium restricted 
diets.  A local distributor says I can have a fifty pound bag of it for 

Hmmmmmm, let's see a fifty pound bag for my two gallon aquarium.  I change 
the water every three days and add about 350 mg of KHCO3.  There are 22,680 
grams in a fifty pound bag divided by 0.35 grams that's 64,800 doses which 
multiplied by 3 days and divided by 365 days in a year is enough to last me 532 years 
and 7 months.

On the other hand you would need 66 pounds of KHCO3 to initially dose the 
200,000 liter tank they're building.

Best regards, George Mangen

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