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Investigate water pollution using safe, simple TesTa..
Use the Winkler technique to measure dissolved oxyge..
The presence of coliform bacteria in water is an ind..
For a class of 30 students. Includes 50 adhesive dus..
Submerse your class in a curriculum-based, hands-on ..
Students assess local aquatic environments by design..
Carolina makes it easy to care for your pH meter by ..
Grade 4 and up. Using safe, reliable, one-step dip s..
For a class of 30 students. Truly an excellent way f..
This kit provides quick access to a freshwater ecosy..
Measure the transparency of a shallow or flowing bod..
These kits combine accuracy and reliability with sim..
Includes all materials needed for a class of 30 stud..
Globe Certified!For calibration of TDS meters. 230-m..
For inland or marine waters. Includes necessary appa..