Sell Calibration Powder Set pH Meter 4.00 6.86 9.18 Buffer Powder Solution best price

Calibration powder for ph meters, suitable for various ph meters especially for smart sensor ph818 which is also sold in our store. Use: 1. Dissolve each powder to aquades (distillled water) in a container (glass, bottle, etc.) 2. Divert ph meters already in calibration mode to each container 3. Make sure the ph meter probe is cleared before moving containers to prevent contamination 4. Keep the container closed if you want to be reused later Package contains: 1 unit ph 4.00 powder 1 unit ph powder 6.86 1 unit ph 9.18 powder