Questions about my Custom Loop Build

[Wizwerd]

Currently thinking about getting a watercool MO-RA3 and putting Corsair QL120's or QL140's  (9 fans total) in my custom loop build, everything is copper/nickel but the fins in the radiator are aluminum.  is that ok? or will they be susceptible to corrosion?  I know that most AIO's mix metals but they have specific coolant to prevent corrosion in their own products but I'll be mixing products with this build.  If that won't work well then I was thinking about getting x2 360 Corsair or HWL black ice GTS 360 30mm rads instead.

 

I also wanted to know if the QL's in general were ok for radiator fans?  They seem to get a lot of flack for performance but the spec's on corsair's website seem good.  I'm not sure how much "static pressure" is needed for thick or thin radiators but I read that

 

My case is a core p3 and I'm also looking for a good distro plate to put on it but there is only one made for it and its a ddc pump which I really want to stay away from.  I've read a ton of bad reviews about DDC pump failures, loud operation noise, and lower performance in general.  I reached out to a couple of custom distro plate shops but they won't make a custom one to fit and suggested using one of their universal distro plates instead.  I thought their universal ones were kinda ugly so right now i'm looking to see if I can't make an O-11D D5 distro plate from EK or something similar in dimensions fit instead.

 

Sorry if I seem everywhere with this post but this build right now I've been working on has had me struggling for weeks.

[Enderman]

It's fine because the fluid doesn't touch the fins, only the copper tubing going through the rad.

 

Also yeah I highly recommend D5 over DDC.