Fritz Pro Aquatics Magnesium Sulfate 453g crystal and some plant material

and some plant material

B-carotene and other natural colour enhancers for vibrant red

Atlantic Kelp

The soft green and greys of the New Zealand Silver Fern

Pre-dosed tablets for easy application

Fritz Pro Aquatics Magnesium Sulfate 453g crystal and some plant materialPure Magnesium Sulfate. Customise your parameters. Same high quality ingredients as PRM Marine Salt Mix. Economical and high value dry powder. Ammonia and phosphate free. FritzPro Magnesium Sulfate is a high quality concentrated magnesium salt that is designed to replenish magnesium in captive reef systems. Monitoring and maintaining proper magnesium levels is an important part of stabilizing water chemistry values; resulting in better coral;