Aquarium Systems SeaTest - GH Test Kit

Track water hardness levels in your aquarium

At a glance...
  • Water hardness test kit for all aquariums
  • Each pack includes 40 tests
  • Critical factor in fishkeeping
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General hardness (GH) indicates the quantities of magnesium and calcium salts dissolved in water. The recommended level is between 6 and 20°GH in freshwater, depending on the species kept. Use this Aquarium Systems SeaTest to make sure your fish can thrive in the best possible conditions for their species.

  • For freshwater only.
  • 1 drop = 1°GH.
  • Changes the colour from purple to blue.
  • 2 x 10 ml to test 480°GH.
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