Crystal red shrimp crs (tap water)

These lovely easy to breed crystal red shrimps are a mix of to S-Ssgrade bred in local Toronto waters m.  Super hardy shrimps and breed tons. 
here.

tds is about 200 and that’s the only thing I measure in this setup. 
here is a video of the colony and water change,  no drip either.  These are super resilient CRS. 

https://youtube.com/shorts/e2JI6IU8hqA?feature=share