American Marine Pinpoint Calibration Solution 4.0
- Buy 6 for $ 1.22 each and save 10%
High precision calibration solution designed for any type of pH monitor.
Ensure that you warm the solution to aquarium temperature before calibrating!
Comes in an easy to use disposable pouch. Simply cut the corner off and use!
One time use only.
J&L Aquatics recommends that you calibrate your monitors at least once every 90 days to ensure accuracy.