Brine Shrimp Hatching Salinity Conversion - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 2 Old 06-02-2007, 02:49 AM Thread Starter
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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 =)
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post #2 of 2 Old 06-02-2007, 03:01 AM Thread Starter
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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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