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Batteries for pH/TDS pen or Thirsty Light (pack of 4 batteries)

Stock up on batteries for your pH/TDS pen and never be without. The tiny battery discs hardly take up any room-- you can even store them right in your pen case so you're always prepared.?̥ÌÎ_

Also work as replacement batteries for your Thirsty Light.



Collections:

Type: Meters & Solutions

Vendor: Hydrofarm