Why is strontium required? Strontium is probably important for accelerating coral and calcareous algae growth. NSW (Natural Sea Water) contains approx. 7 - 9 mg/L strontium. This strontium is associated (”chelated”) with sulfate...
Salifert Algae Package includes Phosphate, Silicate, and Nitrate
Salifert Nitrogen Cycle Package includes Ammonia, Nitrite, Nitrate,