PF10000338317
In stock

pH Buffer Calibration Kit 2-Pack — 250 mL (8.4 fl oz) Bottle of Each: pH 4.00 and pH 7.00 | Color Coded

$0.00
  • Convenient Waterproof Labels
  • Suitable for ALL pH Meters
  • FREE 'How to Use" sheet included
  • Ideal for Hydroponics, Aquariums, Aquaponics and Pools
  • Individually Bagged 250 ml (8 oz) Poly Bottles
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