Aquarium Systems SeaTest GH Hardness – 40 Tests

£16.08

RRP: £17.69
SAVE £1.61

6 in stock

Aquarium Systems SeaTest GH Hardness – 40 Tests

  • For freshwater only.
Weight 0.035 kg
Brand

Aquarium Systems

Sort

Freshwater

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 = 1GH.
  • Changes the colour from purple to blue.
  • 2 x 10 ml to test 480GH.
  • Caution, observe the precautions for use.