Magnesium Liquid Supplement (Part 3)

Ideal for Saltwater Reef Aquariums Ionically Balanced Lab tested and pharmaceutical grade Phosphate, Nitrate and Ammonia free   Instructions for use: Important: Shake vigorously before use! Test the magnesium level in your aquarium to verify levels. For best results, drip Magnesium Supplement slowly into the sump of the aquarium.  Recommended magnesium levels are between 1,250 and 1,350 ppm. When not testing, add (10 ml) per 250 gallons weekly. Recommended Dosage: Add 1 ml of Magnesium Supplement per gallon per day .