Unfortunately there is no benefit to putting this stem in a black or red ink housing. I tried it, and I can say with confidence that the stock ink switch is superior in sound and feel to the stock hippo and the hippo/ink combo. I can hardly tell the difference between the sock hippo and the hippo stem/ink housing. It might be a good fit for normalizing the actuation on ink yellow or linearizing blue inks, but I wouldn’t remove black or red ink stems for this stem.
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