I was on the cusp of buying a birthing pool. They are inflatable and relatively cheap. Unfortunately, they are intended for women of about 5'9" height. I, however, required the birthing pool for a man. The man in question was over 6' tall. He was, of course, not going to give birth but, rather, he had been born again. The pool was required for baptism. So instead of the birthing pool I bought a paddling pool. The pool was 12' in diameter but only 30" high. I set it up in the garden and filled it with water. On my getting into the pool to try it out the week before the baptism, there was a veritable tidal wave engulfing a large section of my lawn. No good then. Instead I borrowed a custom made baptistry from a nearby church. The baptism went swimmingly.
A couple of days before the baptism, which took place in our regular Sunday morning service, there was a pool tournament in our church. The guy who was about to be baptised in the baptismal pool won the pool tournament. Baptism in water is very important as it forms the nexus of a web of beliefs about becoming a Christian, being regenerated and entering eternal life. But puns are good too.