It might be helpful to read the name off the bottle and post it.
Or - take a medicine spoon or any other small measuring cup, spoon and lets say count 50 drops (enough for 10G) in it. Then see how much that is (for example one teaspoon) - then multiply the ammount by 5.4 and use that much from then on or by however multiples of 10G you change out when you do a waterchange. A little counting once... but then never again.