28.6 ml per 100 l/ 26 US-gal. aquarium volume increases the sulfur content by 20 mg/l (ppm).
Maximum dosage: 28.6 ml per 100 l/ 26 US-gal. (adding 20 mg/l (ppm)) daily.
Attention: A dosage of 10 ml per 100 l aquarium volume increases the magnesium content by 5 mg/l at the same time.
Store in a cool and dark place.