Which hydration bladder is easiest to clean and dry?

Reviewers consistently flag HydraPak's fully reversible design as the easiest to clean and dry, since you can turn it inside out. The CamelBak Crux's large screw cap accepts a cleaning brush well but reviewers note the edges stick together while drying. The Platypus Big Zip EVO's zip-top opens wide for cleaning but its connected baffle complicates manual scrubbing per specialist hiking reviewers.