I only use pipettes, you can get a bag of 300 for like 10 bucks on amazon. I don't really trust the pump head to be pumping out 1ml consistently (sorry Cory)
i'm pretty sure that's what it is. Should see egg sacks in the next few days or so, i usually find them along the 4 corners of the tank where the glue is, or on the underside of plant leaves.