so my dream predator tank will have a shark of some sort haven't decided and a ray now they will be in their own tank some smooth rocks and sand bed which the tank will be 200g is this a good or bad idea? feedback both positive and negative would be well
further detail it will be sump/skim/fuge/uv sterilizer in the system.
further detail it will be sump/skim/fuge/uv sterilizer in the system.

