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⚡Osmocote fertilizer capsules deliver slow-release nutrients directly to plant roots, supporting strong and healthy aquarium plant growth. Easy to use and designed to support healthy growth in planted aquariums. Ideal for heavy root feeders such as Amazon Sword, Cryptocoryne, and Vallisneria.

Boosts root plant growth
Provides essential nutrients directly to plant roots for stronger and healthier growth.
Helps correct nutrient deficiencies
Root fertilizers can help when plants show signs such as yellowing leaves, slow growth, pale coloration, or weak root systems .
Nitrogen deficiency – older leaves turning yellow or pale green
Potassium deficiency – small holes or damaged leaf edges
Iron deficiency – new leaves appearing pale or yellow
Magnesium deficiency – yellowing between leaf veins
General nutrient depletion – slow growth and smaller leaves
Easy to use Simply insert the capsule into the substrate near plant roots.
Supports vibrant plant growth Helps improve leaf development, root strength, and overall plant health.
Portion Size
10 slow-release fertilizer capsules for aquarium substrate fertilization.
Capsule Form
Dissolvable capsules containing slow-release fertilizer pellets.
Capsule Dissolution
The outer capsule shell dissolves in the substrate after placement while the fertilizer pellets continue releasing nutrients gradually.
Popular Among Aquascapers
Root fertilizer capsules are commonly used in planted aquariums to provide nutrients directly to plant roots.
Safety Notice
For aquarium use only. Keep out of reach of children and pets. Do not swallow capsules. Avoid direct contact with eyes or mouth and wash hands after handling. Store in a cool, dry place away from food and household items.
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