J.N.
We have had both an iron pool fence and a mesh pool fence. We currently have the mesh (installed by baby guard) and LOVE it. In my opinion, it is safer than an iron fence because it is either open or closed. You don't have to worry about the gate/latch catching like you do with the iron fence and it takes a lot more for little hands to open the mesh fence than an iron fence (it takes 2 adult hands to open the mesh fence and only 1 for the iron). The other great thing about the mesh fence is that it is completely removable once your children can swim. Also, the mesh fence can withstand up to 2 tons of force, so there is no worry about your kiddos knocking it down and it would be very difficult for your little ones to climb/scale. I think the mesh fence is worth the investment (I will never have an iron pool fence again) and I highly recommend using baby guard. Good luck!