Fritz Pro Aquatics Magnesium Sulfate 453g crystal The soft green and greys

The soft green and greys of the New Zealand Silver Fern

B-carotene and other natural colour enhancers for vibrant red

Turn off protein skimmer and remove carbon filtration or other absorbent media (phosphate absorbent is fine)

Adds a touch of greenery to your aquarium decor

Directions: Add one tablet to every 50L of water

Fritz Pro Aquatics Magnesium Sulfate 453g crystal The soft green and greysPure 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;