Floating Fish Grader Size:30/64" Simply dip a strip into

Simply dip a strip into the sample

Waterproof: Short-term immersion proof to 5m depth

Includes an exclusive health promoting feed additive

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

Floating Fish Grader Size:30/64" Simply dip a strip intoMany 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