TetraTest General Hardness (GH)
Simple to use kit for determining GH (general hardness) levels.
- Highly accurate liquid test
- Simple to use
- Excellent long-term stability
Application
The TetraTest GH kit is a liquid kit, which works by changing the colour of a water sample in relation to the GH concentration. You simply need to count the number of drops it takes to turn the water sample from red to green, to determine the GH level.
We recommend testing for GH once a week in soft water areas, and once every 2-3 weeks in hard water areas.
Always read the instructions carefully before use. If GH levels are unsatisfactory then you should seek advice as to the underlying cause.
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