Check again tomorrow at the same time to see what your ammo level is, without adding any more ammonia. If it appears to be below 2 ppm, add 1/2 a capful of ammonia, & check again. If it still seems a little low, add a second half cap.
I'll try this in shop guy terms. Your first type of bacteria eat ammonia, crap out nitrites. Just like a dog, no food no crap, lots of food you get a lot of piles of crap. The second set of bacteria eat nitrites, crap out nitrates. Just as before, no food, no crap, too much food, too much crap.
Just like a dog, you want to provide the bacteria with a regular source of food, which is ammonia. If the dog does well on 1 scoop of food per day, and you increase it to 6 scoops per day, the dog will eat too much, crap all over the place, & be sick as, well, a dog. This is what you did by adding ammonia when no more was needed, overfed the first set of bacteria, which overfeeds the second set of bacteria, extending the cycle.
You need to provide just enough ammonia to fed the bacteria, without overfeeding them. If you check the food level using ammonia tests, and there is still food, you don't need to add more. If it's low, just add enough to feed them.
Tolak