Aquarium Systems SeaTest GH Hardness – 40 Tests

£17.21

RRP: £19.09
SAVE £1.88

17 in stock

Aquarium Systems SeaTest GH Hardness – 40 Tests

  • For freshwater only.
Weight 0.035 kg
Dimensions 35 × 95 × 160 mm
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.