![](https://www.aucklandscubadive.co.nz/blog/wp-content/uploads/2020/04/untitled-4620-1-e1644815936763-300x145.jpg)
My go-to cylinder for back mount diving is a 10L Faber steel cylinder I like the size and weight on my back and in comparison to an Aluminium cylinder I like the constant weight throughout the dive. As a cylinder tester performing visual and hydrostatic tank tests I do see some rust inside steel cylinders […]