Measures the concentration of metal ions such as calcium (CA⁺) and magnesium (MG⁺) in the water of your tank, which determine the total hardness of water, a fundamental factor for fish health and system balance.
⚙️ Understand the hardness of water:
🧾 Mode of use:
See the result according to the number of drops:
German grade drops (° DH) Classification
1 3 very mild water
1 to 3 3 to 8 mild water
3 to 6 8 to 17 semi-hard water
6 to 9 17 to 25 hard water
> 9 over 25 very hard water
📦 Quantity: 100 tests
📞 Questions?
Contact: [email protected] | (11) 2021-2372
🛠️ Warranty:
Factory warranty against manufacturing defects, does not cover misuse or incorrect installation.
📸 Illustrative merely images