Seachem Reef Strontium 250 ML

Reef Strontium™ is a concentrated polygluconate strontium supplement for the reef aquarium not yet using Reef Complete™or Reef Calcium™.It has a pH of 8.2 and is neither acidic nor caustic. Unlike other strontium supplements, it will not lower alkalinity. Each 100 mL treats up to 5,000 gallons.