GH Seatest

GH Sea Test

The general hardness (GH) indicates the quantities of magnesium and calcium salts dissolved in the water. The recommended level is between 6 and 20°GH in freshwater, depending on the species kept.

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

EAN 3443980900026