Designed to raise the level of magnesium safely in a marine system and will not upset the ionic balance. This concentrated supplement contains

Aquatic Plant Supplement Nitrate & Phosphate-Free Promotes strong roots and stems Promotes nutrient upt

Controls algae in Freshwater Aquariums Will not harm fish or live ornamental plants For use in acrylic or

Made with the finest seaweed available. Rich in natural vitamins and minerals. Excellent veggie treat for omnivores. Resealable poly bag for lasting f