Salt mix comparision - standardized to 5000 gallons
Version  4.2
Material Mix 1 Mix 2 Mix 3 Spotte
Maint.
Spotte
Culture
Lyman &
Fleming '40
Standard
Methods
ASTM
Standard
Kevin's
Proposed
Common source
Conversion Factor 0.11 0.17 1.67 41.73 41.73 41.73 41.73 41.73 1.00
Major Ingrediants - in U.S. pounds
NaCl 927.2 1000.0 1125.0 955.5 997.3 979.6 980.7 1023.6 1000.0 Water softener salt, Purex Salt
Na2SO4 None None None 158.1 166.9 163.4 166.9 170.7 None Sodium sulfate
MgSO4*7H20 257.9 250.0 300.0 None None None None None 250.0 Epson salt - Magnesium sulphate
MgCl2*6H20 166.0 200.0 212.5 429.8 450.7 207.8 449.8 217.0 200.0 Magnesium Chloride (animal feed suppliment, commercial ice melt)
CaCl2*2H20 50.6 50.0 100.0 60.9 62.6 46.0 61.3 48.4 50.0 Calcium Chloride (ice melt)
KCl 25.1 23.5 27.2 28.2 29.1 27.7 29.2 29.0 25.0 Potassium Chloride (water softener alternative)
NaHCO3 5.3 9.0 10.5 7.7 8.1 8.0 8.3 8.4 8.0 Sodium Bicarbonate (Bakeing soda)
Na Carb 1.1 0.0 0.0 None None None None None None Sodium Carbonate (Soda ash, "Ph Up")
Total 1433.2 1532.5 1775.2 1640.2 1714.6 1432.6 1696.3 1497.1 1533.0
Note:  35ppT Seawater has about 1700lbs of salt in it.
Trace ingrediants - in grams
18927.06 18927.06 18927.06 18927.06 18927.06
KBr None None 1450.0 1892.7 1892.7 1817.0 1892.7 1911.6 None Potassium Bromide
Na2B4O7*10H2O None None None 738.2 738.2 None None 750.0 Sodium Tetraborate (Mule-Team Borax)
H3BO3 None None 666.7 None None 492.1 567.8 511.0 None Boric Acid
SrCl2*6H20 617.7 246.3 285.0 458.0 459.9 454.2 378.5 473.2 500.0 Strontium Chloride[1]
Ca Gluconate 211.8 None None None None None None None None
Al2 (SO4)3 1.745 None None None None None None None None
NaH2PO4 1.617 None None None 242.266 None None None None Sodium dihydrogren phosphate
KI 1.234 None 2.500 None 1.571 None None None 2.5 Potassium Iodide[2]
LiCl None None 19.00 None None None None None None Lithium Chloride
NaMoO4 0.255 None 19.000 None None None None None None Sodium Molybdate
Na2MoO4*2H2O None None None None 0.458 None None None None Disodium molybdate[3]
MnSO4 0.128 76.667 85.000 None None None None None None Manganese Sulfate[4]
CoSO4 0.021 None None None None None None None None Cobalt Sulfate
NaF None None None None None 56.8 56.8 56.8 None Sodium Fluoride[5]
Trace element mixes None None Yes None Yes None None Yes[6] None Variety of trace elements
Mixing: Sulphates and Calcium first, NaCl last

[1]
KNCARP:
Aquitic Tech - $17/100 grams
[2]
KNCARP:
Cole-Parmer $66/500g
[3]
KNCARP:
Cole-Parmer $23.58/100g
[4]
KNCARP:
Cole-Parmer $33.55/500g
[5]
KNCARP:
Cole-Parmer ~$40/500g
[6]
KNCARP:
Heavy Metal Formula only.