mostlyirish
Contributor
Is there any reason I should not mix a Scubapro MK21 1st stage with another brand (Apeks for example) 2nd stage?
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*Except there are a relatively small number of second stages that have a different intermediate pressure specification so would require an adjustment on the first stage. Notable examples include Poseidon Cyklon and all Mares seconds.Nope.
My old MK21
How do you like your MK21 first stage? What second stage do you use with it?