Phenol Red Dextrose Differential Medium Size:500g Molded from flexible low-density polyethylene

Molded from flexible low-density polyethylene with a screw cap and integrated rigid down-spout

Designed for educational purpose and science classroom demonstrations in optics and light physics

sized to drop into the demonstration meter and reconfigure it as a center-zero ammeter

Mid-low-range resistance box stepping from 10 ohms to 100 ohms in 10-ohm increments on a single rotary dial

Non-mercury spirit-filled glass thermometer reading -10 to 360°C in 2°C graduations across a 12-inch yellow-backed body

Phenol Red Dextrose Differential Medium Size:500g Molded from flexible low-density polyethyleneColor change indicator distinguishes bacteria by their ability to ferment dextrose, shifting from red to yellow when acid fermentation products accumulate.