ph level tester

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• 

  PH Meter Tester with 0-14 Measurement Range

  Rated 4.83 out of 5
  $4

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  Select options This product has multiple variants. The options may be chosen on the product page Quick View
• 

  High Precision Water Quality TDS EC Tester

  Rated 5.00 out of 5
  $5 – $9Price range: $5 through $9

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  Select options This product has multiple variants. The options may be chosen on the product page Quick View