There's a way to get harder water with lower pH... however, Neos typically prefer neutral or higher pH water anyway.... water with KH in it.
Minimum, cherry shrimp should be kept in water with 2-5 KH and 6-10 GH. You really need the API or Sera liquid test kits... and preferably, a TDS meter, too.
www.discobee.com/blogs/news/17030569-dwarf-shrimp-water-parameters
Minimum, cherry shrimp should be kept in water with 2-5 KH and 6-10 GH. You really need the API or Sera liquid test kits... and preferably, a TDS meter, too.
www.discobee.com/blogs/news/17030569-dwarf-shrimp-water-parameters