It's amazing pain relief. I have had 3 med free births, and the first was a true water birth. It was so relaxing, and really helped me to focus my efforts during the pushing stage.
I don't have any practical tips, but I think you will love it.
Mama to Henry (01.07), Catherine (09.11), Audrey (04.14), Clare (09.15) and our newest addition, coming July 2017!