Floating Fish Grader Size:30/64" The large 3 cubic ft

The large 3 cubic ft

therefore your air diffuser stone should be placed in the deepest

your pond can experience a fish die off due to low oxygen levels

Includes an exclusive health promoting feed additive

Floating Fish Grader Size:30/64" The large 3 cubic ftMany species of fish can be graded much faster with these graders because they feature both side and bottom bars (some species will not try to escape through the bottom). These popular, time tested fish graders have been used to grade just about every species of fish. The aluminum frame is polystyrene filled for flotation. Interchangeable grader racks are made from 3 16 hard aluminum rods. Grader spacing is by 1 64 (0. 39 mm). Order the grading rack