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Thanks for the response! Just ordered some clear corsair coolant and it should be here tomorrow. I hate to drain the loop again but whatever, hopefullly it didn't cause any problems.

So, I built this custom loop about a month and 2 1/2 weeks ago and recently noticed this coloration in the gpu block. I used distilled water in the build because after seeing what colored coolants do to loops, it was not worth it. It was good reviewed distiled water but, I'm not sure now about it being totally without minerals. So I would assume this is corrosionf? Should I be worried about it at all? My gpu temps are still about the same as when I built it. I'd rather not take it apart to clean it either. Maybe if I just switched to corsair clear coolant it would clean some of it or stop if from spreading? It's not something I could see with out looking under the gpu for, unless I decide to get a vertical mount. I don't see any of the same thing happening in the cpu block. Please let me know. P.s. I am new to watercooling, this is my first loop and I dont know everything about it. I attached a pic.

Actually incorrect. It says in the pre bios screen (or whatever its called, and its not the splash screen) Cpu thermal protection or something I cant remember now but its 100% thermal related.

Voltage is perfectly stable and never changing from 1.319v as I have a good motherboard. Idle temps are all over the place pretty much between 39c-55c or so, rapidly jumping up and down all the time. Gaming temps stay between 60c-75c or so at 10%-60% loads.

Hey, everyone so this is a problem. My water temps now don't above 36c with just setting a fan curve and setting the rad to pull. My gpu temps are pretty good, it has an overclock of just setting the pl to max (130). Gpu only hits highest of like 50c on heaven. BUTTT when running cenebench r20 on loop for a bit coolant only getting to 34c and my cpu goes strait up to 75c then got to 79 before the pc shut it self off over cpu temps. This is really dissapointing on a custom loop there has to be a bigger issue here then just cpu being hot. Even when I go to default settings it runs around the same temps while only being at 4.0 ghz or less at 1.2__ (idr). My overclock is 4.4 on 1.325 so this shouldnt be happening on a loop. My h100i was much better only getting cpu to 60 or so on cenebench r20 but my gpu hitting 70 not overclocked. Idk what to do here, im pretty dissapointed in the loop rn. Any ideas becides checking paste or whatever else has been said already?

The thing is my cpu is only at like a 50% load when it was hitting 70-80. It even just hit 67 at a 11% load. And my voltage is always at 1.319 it never changes.

But what about idle? Will the temps idle lower with another rad? These temps seem pretty high when coolant temp is at 27 c and it stays between 40-50. Or is that normal?

I got my water temp down to 37 when I changed the rad to push and set a curve. Is that a good temp?

Pump on the outside is an intresting choice.

I actually used the same runs as linus tech tips on his all hydro x system. I thought it would be best as this is my first time custom cooling. When I took off the cpu block it looked covered but a very thin amount. I also was going to go with top in but I just kinda liked this better tbh. I'll try the push config also but I don't think it will change much.

Just recently installed a fully custom water cooling loop (all corsair hydro x) and noticed my cpu temps were higher than with h100i aio. I have one 360mm raidiator that is 54mm thick. Thats what corsair recomended for my config (on corsair loop config thing). I have a 3700x and a 2080ti btw. I used the original paste first and it got up to 80c while gaming while my gpu staying 60 and under ( still had a few air bubbles so that might of been it). I then changed the termal paste and all the air bubbles are gone from what i can tell and now I hit 76 max on cpu with it dropping up and down beween 76 and 60C. I have read others having the same issue and beleve its bad contact but im not sure. Idk what to do about it. Also my water temp hit a max of 42 and a half C with the ambiant being around 23-25 C. I have my cpu overclocked to 4.4 Ghz on 1.325v I tried going back to stock but I get the around the same temps and and only 4.0 Ghz on about 1.25v or so. Any ideas? Heres a pic https://imgur.com/a/i7wa8tk.