- For calibration of pH Meters at pH 4.0
- pH Buffer 4.0 @ 25° C (77° F)
- Based on international (APHA) standard formula
After your purchase, the items are subject to the respective manufacturer’s warranty policy.
These policies can be found on the original manufacturer’s website or by contacting them.
Indoor Growing Canada is not responsible for replacing, repairing or any costs associated with your item while under warranty.
Indoor Growing Canada will assist you in your warranty claim by helping you coordinate with the original manufacturer.