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11/11/2008, 02:25 PM
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#1 |
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Registered Member
Join Date: Oct 1999
Location: London, Ontario, Canada
Posts: 3,969
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% to ppm of formalin
Can anyone tell me how many ppm would I have in 10 gals of salt water if I dose 1 ml of 37% formalin?
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Seahorses. Culture nanno, rotifers and brine shrimp. Current Tank Info: Seahorses |
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11/11/2008, 02:56 PM
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#2 |
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Reef Chemist
 
Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 86,233
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1 ml of 37% formalin is about 0.37 g or 370 mg formalin
Put that into 10 gallons (37.85 kg of water) gives about 370 mg /37.85 kg = 9.8 ppm. 
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Randy Holmes-Farley Current Tank Info: 120 mixed reef |
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11/11/2008, 05:43 PM
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#3 |
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Registered Member
Join Date: Oct 1999
Location: London, Ontario, Canada
Posts: 3,969
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Thank you!
I took chemistry in high school but flunked it. Now, 50 odd years later, I've forgotten what little I did know then.
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Seahorses. Culture nanno, rotifers and brine shrimp. Current Tank Info: Seahorses |
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11/11/2008, 07:58 PM
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#4 |
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Reef Chemist
Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 86,233
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 You're welcome. Happy Reefing.
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Randy Holmes-Farley Current Tank Info: 120 mixed reef |
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