Salifert Fresh GH Test - General Hardness (GH) Test for Freshwater Aquariums

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Salifert Fresh GH Test

Salifert Fresh GH Test is a reliable drop test for measuring general hardness (GH) in freshwater aquariums. GH reflects the level of key minerals, mainly calcium and magnesium, which affect fish health, plant performance, shrimp moulting and snail shell condition. Results are read by counting drops, making it practical for routine checks during water changes, remineralising and parameter adjustment.

What the test measures

- General hardness GH in dGH

Key features

- Simple drop count method
- Around 70 tests per kit
- 1 drop equals 1 dGH
- Clear colour change to indicate the end point

How to use

- Fill the test vial with 5 ml of aquarium water
- Add reagent drops, swirling after each drop
- Stop when the colour changes from red or pink to blue
- Count the drops to get the GH value in dGH

Recommended use

- Checking GH during water changes and water preparation
- Matching water hardness to the needs of freshwater fish and plants
- Monitoring remineralised water for shrimp and snails

Pack yield

- Around 70 tests