If your comparator for your dissolved oxygen test has expired, you can replace just the comparator!
Kate
Shipping class: special
Freshwater conductivity calibration solution
Your conductivity meter needs to be calibrated before each testing season, and this is what you’ll need to do it! This solution comes with instructions on how to complete your calibration with confidence. Size of the calibration solution pouch is 20ml.
Stream thermometer (celcius)
High quality and lightweight, this thermometer can be used for both air and water temperature readings. Reads in Celsius!
Bulk discounts available. You can get 10% off 10 or more, 15% off 20 or more, or 20% off 30 or more.
Badge
Beautifully embroidered Water Rangers badge. Perfect to reward students, new trainees, or volunteers during water monitoring or shoreline clean-up activities. Looks great on your backpack or jacket! Bulk discounts are available – contact us!
Stickers
Show off your Water Rangers pride with these vinyl stickers! They work wonders when you want to reward students for a job well done. They also look pretty good on laptops, water bottles, and travel mugs if we do say so ourselves!