Try 3 cups sugar, 1/2 tsp. bakers yeast, 1/2 tsp. baking soda. Use tepid water to mix in bottle. Shake until sugar dissolved, lasts 10-14 days. Shaking the mixture up well is very imprtant as it activates the yeast. If water is too warm it will not work. If it works you should see bubbles flowing within 2-3 hours . Also I am wondering if your bottle is not sealed properly. It will leak out of the line leaving the bottle. Any bit of a leak and you are not going to have any luck at all. Also take note on the recipe as there are many many variations to use . You really have to find one that works for you, keeep tinkering away.