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Salt in a Nutshell
One of your numbers is off by a factor of 10.
If 1 lb. of salt in 1 gallon of water = 1% salinity Then this CANNOT be correct; 1 lb. of salt in 100 gallons of water = .12% Ken Russell "Lee B." wrote in message ... | For those that need to calculate the size of their pond using salt, or need | to figure out how much to add: | | Salt in a Nutshell | | | | 1 lb. of salt in 1 gallon of water = 1% salinity | | 1 lb. of salt in 100 gallons of water = .12% | | (These are "generally accepted" numbers; if you want to "proof" the numbers, | it goes like this: 1 lb. salt /100 gallons water (convert to metric) = 454 | grams of salt / 378.5 liters of water = 454 grams of salt / 378,500 grams of | water = 0.001199 ppm, or 0.12%) | | | | If there is no salt reading in the pond: | | # salt x 12 / % salinity = gallons of water | | Example: | | 25 lbs salt x 12 = 300 / .3 (salinity) = 1000 gal. | | | | If there is an existing salt reading: | | R1 = Reading 1 (existing); R2 = Reading 2 (resultant) | | # salt x 12 / (R2-R1) salinity = gallons of water | | Example (Say the existing salt level was .15; after salt it was .3, so the | number we're looking for is .3 - .15 = .15): | | 50 lbs. salt x 12 = 600 / .15 = 4000 gallons | | | | To get # salt needed with known gallons: | | (desired % / 12) x gallons of water = # salt | | Example (If you want to achieve a .2% of salt in a 1500 gallon pond): | | .2/12 = .01666 x 1500 = 24.999 lbs. of salt (call it 25!) | | | | Note: If there are salt levels already in the pond, remember to subtract R1 | from R2 to get your final reading; if you want a final reading of .2, but | the initial reading is .05, then the actual number you're looking for is ..15 | (not .2) | | | | I hope this helps. | | | | Lee | | --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.572 / Virus Database: 362 - Release Date: 27/01/2004 |
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