Hach® pH Buffer Powder Pillows
$23.27 
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SKU
2083264
Product Details
Buffer Powder Pillows for pH electrode calibration. Each pillow prepares 50 mL of fresh buffer solutions. They are color-coded for easy identification. pH +0.02 at 25°C. Pack of 15 pillows of pH 4.01 (red) and 15 pillows of pH 7.00 (yellow).
Alternate Products
Hach® SINGLET™ Single-Use pH Buffer Kit, pH 4.01 & 7.00$52.90 per PK