API Freshwater Hardness GH & KH Test Kit GH &KH test Kit

$17.31 $9.99

64 in stock

SKU: 317163010587 Categories: , Tag:


  • Tests tap water & freshwater aquariums for general hardness (GH) and carbonate hardness (KH).
  • Helps prevent fish stress caused by rapid pH shifts, the result of low levels of KH.
  • Box of one test kit