Why would you use any KH at all for bolt shrimp?
And edited to add, Neos can adapt to low/0 KH, as long as acclimated properly. They'll make perfect tank mates that can't muddy the colors should you decide to go that direction.
Nothing good happens fast in an ecosystem.
Last edited by Blue Ridge Reef; 10-13-2020 at 12:29 AM.