Replaces biologically important trace minerals which are used by fish and plants and removed_through filtration in ponds and water gardens.

Contains no detrimental heavy metals, phosphates, nitrates, or silicates.

Does not promote algae growth!

Use one ounce per 200 gallons of pond capacity every week.

Add with each water change, and weekly to provide minerals that are constantly used up by fish and plants.

Available in 3 sizes:
16 oz – NAT19

64 oz – NAT20

5 Gallon – NAT49