About Phosphate Killer It is a granular ferric oxide hydroxide and has a very high surface area on which phosphate can be adsorbed. It has therefore a very low weight per volume. The phosphate binding capacity of this product is...
Salifert Strontium Profi-Test
In a marine aquarium strontium plays an important role in accelerating the growth of coral and calcareous algae and natural sea water contains approx. 7 - 9 mg/L strontium.