516 US gallons = 66,048 US fluid ounces
129 gallons equals 516 quarts.
That is approximately 1.18 US gallons
There are 4 quarts in a gallon ,so therefore there are 516 quarts in 129 gallons.
That is 2.5 gallons
15.625 OZ
27136 oz
You need 0.6 fl oz for 1,700 gallons.
768 US fluid ounces = 6 US gallons
0.0625 US gallons.
1.6484375 US gallons
That is 1.485 gallons
768 US oz.