Cheers10ml
Excellent thanksWell I better answer then
You know what you need for 100,000 litres (= one litre).
You want to want to know what you need for 1,000 litres.
100,000 is 100 times bigger than 1,000.
So you’ll need 1/100th the amount that is needed for 100k litres.
1/100th of one litre is 10ml.