Yes you read that correctly! These are Caridina shrimp that you can keep in your Neocaridina shrimp tank. These shrimp have been bred specifically to keep in harder water. They will live and breed in hard water for you, no need for an RO system! The genes of this line produces snowball, blue, red, yellow and blue steel Galaxy/Pinto shrimp and fancy tiger shrimp (including high grades). Current water parameters 3KH 8GH PH 7.2 (normally they are kept between 2-4KH, 6-10GH PH 6.8-7.5). This line is stable for these water parameters.