Math help pls

[marke]

If a solution of something says it has 10,000 ppm in a litre liquid bottle; how much do I need to dose in a 100 gallon system to increase it .01.
Here is my quesstimate
1ml of solution=10ppm if 100 litre tank then to increase .01 in tank we need 10ml------this seems to be wrong somewhere? Thanks for the help in advance!!

PS: Playing with KI ideas are always welcomed

 

[Randy Holmes-Farley Verified Community Expert]

You need a 1 million fold dilution to go from 10,000 ppm to 0.01 ppm

100 gallons is 378.5 L.

Thus you need to dose one millionth of 378.5 L, or 0.3785 mL