Hello.
After having built my first water cooled system, i proceeded to used medical grade distilled water for flushing wounds, to be extra safe (As the other types available to me was only demineralized water). I did this to flush the system … I should have known better, to flush each part individually, But I had read, that all the EK Radiators, didn’t need to be flushed, so, I thought I was safe.
After having run the pump in a leak test for 9 hours without leaks, i decided, that would do it, So, Emptying all the liquid was quite difficult with 3 rads in top bottom and side, and a EK Reflection Distroblock in a Lian Li O11 Dynamic XL ROG case.
I proceeded to fill the loop with Clear EK Cryofuel premix, 2.45 liters or thereabouts (2 EK PE Rads, 1 EK XE rad, 1 Asus Maximus Z690 Extreme Glacial, and 1 Front and 1 active back plate EK Vector Strix for the Asus 3090 Strix OC, every fitting also EK.
To my horror it looked like black gunk in the Motherboard Jet plate area, that was stuck at several of the fins. Later I discovered the same was true for the Front plate Jet area of the GPU …
So, I disassembled the GPU front and back plate, and cleaned with isopropyl alcohol, and using the Cryofuel premix for final flushing.
To my horror, the Asus Maximus Z690 Extreme Glacial Block is unable to be disassembled easily - at least 2 or 3 screws are below the glued in OLED display, which makes cleaning the block neigh on impossible.
I know, that most won’t discover this until they need to clean it — but my gunk buildup, has made that a priority. Though, I don’t really want to destroy the OLED display or other parts of the Beautiful Ultrablock.
Are there anyone out there, who has discovered how to disassemble the Ultrablock, without destroying the OLED display. (One can probably heat it up to some temp to let the glue slip, same as for ipad disassemblies, but I haven’t had the courage to do that, and also, something else might be needed).


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Here zoomed in, so that the details isn’t lost so much in the compression (i hope).***