The BIO-CALCIUM Liquid REFILL pack consists of three different salt mixtures (A, B, C) that get dissolved in water to refill the three bottles. This saves packaging and transport.

Package content:
3x5000 ml refill

for your calculation (for ready mixed fluides):
1 liter/0.26 US gal. BIO-CALCIUM Liquid A, 1 liter/0.26 US gal. BIO-CALCIUM Liquid B, 1 liter/0.26 US gal. BIO-CALCIUM Liquid C contain 20.000 mg calcium, 2800 °dKH (= 52 g/1,8 ounces calciumcarbonate)