Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Brine Shrimp Hatching Salinity Conversion (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/brine-shrimp-hatching-salinity-conversion-6257/)

ttmmm2001 06-02-2007 02:49 AM

Brine Shrimp Hatching Salinity Conversion
 
Hey,
I just recieved a big pack of brine shirmp and the instructions say i should adjust the salinity to 25 ppt.
Does anyone have a conversion i could use to find out how much salt to add to a 3 liter bottle?
I dont have a salinity ppt tester and hope i can figure it out without one =)

ttmmm2001 06-02-2007 03:01 AM

I think i figured it out, let me know if im right.


http://waterontheweb.org/resources/c...iontables.html

CONCENTRATIONS

1 gram/Liter %o (part per thousand)
1 milligram/Liter 1 ppm (part per million)
1 microgram/Liter 1 ppb (part per billion)
1 nanogram/Liter 1 ppt (part per trillion)

So 25 ppt = 25 grams per liter. 3 liters = 75 grams
http://www.gourmetsleuth.com/gram_calc.htm

75 grams = 5.269 tablespoons

1 tablespoon = .0625 cups

5 tbls * .0635 = .34 cups = about 1/3 cup


So i think 25 ppt of salt for my 3 liter bottle is 1/3 cup salt.


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