Oh, nice! Any negative effects on Opae so far? Wow, what's that crazy ball? 

tzg wrote: ↑19 Dec 2018 12:49 They are marimo moss ball and marinepure sphere which act as a bacteria house. The shrimps got stressed at first when the solution was introduced to the tank but now they were all good.Yes I was talking about the marinepure sphere. Ok interesting! Good to know they are fine! Well done