Batteries for pH/TDS pen, 1.4v, pack of 4

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. 

Also work as replacement batteries for your Thirsty Light.

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Batteries for pH/TDS pen, 1.4v, pack of 4

  • Brand: Hydrofarm
  • Product Code: HGPROBAT
  • Availability: In Stock
  • $6.95
  • $5.70
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Quick and easy solution for connecting flex ducting. Crimped on both ends with strengthening bead fo..
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Steel flange for filters and ducting Outside Diameter: 5.5in..
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Hydrofarm's tan Dirt Pots offer value and versatility for outdoor use or as part of hydroponic growi..
$2.95 $2.42

Mother Earth Coco substrate is 100% natural. It contains the highest quality mix of coco pith and co..
$22.95 $18.82

The Hydroponic Micro Finger Snip is a perfect tool for fine, precision cutting a variety of plants. ..
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Neptune's Harvest is an organic fertilizer made from fresh North Atlantic fish. It is made by a uniq..
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