in our 200 L tank, we need only 1 insert tablet, we share previously, or scatter. The Black Mollys / Scalar / Neons have a new toy, As the Sharks go off and eat the the than it would have been the first course. Problem: the Welze, intended only get to see the remains. But the rapid decline of the fodder, remains sufficiently be much and does the job.
5/5 stars from me since all rejoice in it and accept.