McMaster counting slide


High quality counting slide for performing worm egg counts. The counting slide is used for quantitative Fecal Egg Counts (FEC) based on the McMaster method.


  • Two chambers with each one grid. Grid size 1 cm x 1 cm
  • Height 0.15 cm
  • Volume under one grid 0.15 ml
  • Volume under both grids 0.30 ml
  • Material plastic, acrylic
  • McMaster dimension 2.3 cm x 7.6 cm
  • Grid color Blue

The counting room has two grids. Each grid has six rows. A complete row can be optimally viewed for most microscopes at 100x magnification.


Slide care instructions

– Thoroughly rinse out the McMaster chambers with warm running water.

– Let slide air dry. Don’t dry with a towel which will ruin the optical finish.

Drying the slide with a towel will ruin the optical finish.

The McMaster counting chamber is designed for long-term use.