Is it possible to refill cli-546 with MegaTank ink?

[PeterBJ]

Please report your results if you try refiling the cartridge with the GI-790 ink.

 

[keruchan]

Please report your results if you try refiling the cartridge with the GI-790 ink.

I will post it here
I found a new post on reddit saying it was working. that post gave me confidence to proceed.