Our mini testkit

Compact Freshwater Testkit

Compact, lightweight and convenient for quick sampling or traveling. This kit is great for adventuring and avid naturalists. Water samples can be taken anywhere quickly and easily.

Custom compact kit design with your logo on it available.

Bulk discounts available. 5% off 5 or more.  10% off 10 or more.

Secchi disk

This Secchi disk can be used to measure turbidity, otherwise known as water clarity. It can also be used to measure water depth! Comes with an easy-to-read reel. 

Bulk discounts available. You can get 10% off 5 or more, or 15% off 10 or more.

Dissolved oxygen

Test for dissolved oxygen using this CHEMets Colorimetric Analysis kit! Contains enough vials for 30 tests, as well as a 2-minute sand timer. Ampoule refills available.

Kit expires in 2023 or later.

Discounts of 5% for 5 or more.

Salinity refractometer

Wondering how salty a body of water is? Use this refractometer to find out! This refractometer is easy to calibrate and requires little maintenance, making it a simple way to measure salinity.

Looking for something more precise? Check out our salinity meter!

See below for more details.

Water bottle

Stay hydrated and show off your pride with your own Water Rangers water bottle!