SR Aquaristik Kalkwasser (Calcium Hydroxide)

Ideal for saltwater reef aquariums. Recommended Calcium level is between 380 and 450 ppm.
6.6 lbs package makes approximately 75 gallons of supplement.
Lab tested and pharmaceutical grade.
Phosphate and ammonia free. 
 
Also offered in a 2.2 lb package. Makes approximately 25 gallons of supplement.