SubstrateSource Plant Fertilizer Capsules are a quick and convenient way to enrich your substrate bed with nutrients for healthy plant growth. Each capsule is packed with a special blend of slow-release fertilizer balls that last for 4-6 months so you don't need to worry about regularly adding plant nutrients to your aquarium. For optimal use, each capsule should be spaced about 4 inches apart. For aquarium use only. Keep dry and away from children.
( Nitrogen 15%, Potassium 12%, Phosphate 9%, Sulfur 4%, Calcium 1.9%, Magnesium 1.4%, Iron 0.45%, Manganese 0.06%, Copper 0.05%, Zinc 0.05%, Molybdenum 0.02%, Boron 0.02%)
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