DO Calibration Solution

This is a replacement bottle of sodium sulfite, used for the zero dissolved oxygen calibration point. One bottle is included with the DO Probe.

SKU: DO-CAL Category:


Weight 0.25 lbs
Dimensions 7 × 4 × 1.5 in




Lab Equipment


Lab Books


Shop All Products

Vernier products are designed specifically for education and held to high standards.

How to Order

We offer several ways to place your order with us. Explore your options.

Learn More About Us

Our products compliment your teaching and help your students engage with key STEM concepts.

Educational Standards

Our products support provincial requirements for NGSS, AP, and more.