Why is my shower mixer not mixing?

How do you remove the cartridge from a bar mixer shower?

https://www.youtube.com/watch?v=iGFsY0i7dKo

How do you fix a shower mixer diverter?

https://www.youtube.com/watch?v=ebQUruOVhPU

How do I adjust my shower bar?

https://www.youtube.com/watch?v=u4DOczDxxqk

How do you replace a shower mixer?

https://www.youtube.com/watch?v=lOHHxNgU4Tc

How do you fit a fast fix shower bracket?

https://www.youtube.com/watch?v=g13O0eVAEBQ

How do I fix my shower bracket?

https://www.youtube.com/watch?v=qI0BTAAgQx8

How do you fix a shower rail to the wall?

https://www.youtube.com/watch?v=AHdWwSXkHm0

How do you secure a shower arm to the wall?

https://www.youtube.com/watch?v=FZyQuwSMvWE

How do you fix a loose shower surround?

https://www.youtube.com/watch?v=OeKldyBamJQ

How do you fit a shower bracket?

https://www.youtube.com/watch?v=dzBid37yMDg

How do you install a shower wall mount mixer?

https://www.youtube.com/watch?v=IS0hL7YkTGM

How do you fit a shower plate?

https://www.youtube.com/watch?v=BbNMp7JPU10