Multi-reference solution for checking and calibrating common droplet tests.

Calcium 435 mg/l (± 1%)
Magnesium 1300 mg/l (± 1%)
Potassium 400 mg/l (± 1%)
Nitrate 10 mg/l (± 0.5 mg/l)
Alkalinity (KH) 7,5 dKH (± 0.1 dKH)

Safety instructions:

• For aquaristic use only!
• Do not leave it in the reach of the children!
• Not classified as hazardous according to GHS/CLP