Kent Marine Discus Essential... 64 oz

Color and vigor of fish can be negatively affected by lack of trace minerals. Kent Discus Essential replaces biologically important trace minerals which are used by fish and Coral & Inverts:Plants and removed through filtration in discus aquaria. Discus Essential will provide color and vigor without use of dangerous hormones! It contains no detrimental heavy metals, phosphates, nitrates, or silicates.