We are really happy with these x
We use abidec as you only need 0.6ml mixed with their breakfast. We had the same issue with 5ml going in water, she hated it
Healthy start drops. 5 small drops on a spoon.
We use the new boots one and just use the calpol syringe to give it to him.
https://amzn.eu/d/hB5vXuz