These tiny ( est. 0.1 inch across) creatures with hard shell have multiplied in my 2 year old "fish only" system. Think I should do something before they get out of control. What should I do?
These tiny ( est. 0.1 inch across) creatures with hard shell have multiplied in my 2 year old "fish only" system. Think I should do something before they get out of control. What should I do?