MasterLine Root Caps – Nutrient-Rich Root Fertilizer for Aquarium Plants

MasterLine Root Caps are nutrient-rich root caps for aquarium plants, designed to provide essential minerals and trace elements directly to plant roots. Ideal for supporting lush growth and vibrant colors, they promote strong root development and long-lasting plant health in any planted aquarium.

About MasterLine Root Caps

MasterLine Root Caps deliver targeted nutrition to aquarium plants with developed root systems. They slowly release nutrients over time, helping heavy root feeders such as Cryptocoryne, Echinodorus, and large stem plants to thrive. The convenient capsule form makes application easy and mess-free.

Key Benefits

Provides essential minerals and trace elements directly to plant roots

Supports healthy root growth and vibrant plant coloration

Ideal for heavy root feeders such as Cryptocoryne and Echinodorus

Slow-release formula ensures long-lasting nutrient availability

Easy to apply with convenient capsule format

Directions for Use

Insert one capsule near the root zone of heavy root-feeding plants

Reapply every 2–3 months, or as needed, depending on plant growth

Safe for use in combination with liquid fertilizers and CO2 injection

Suitable For

Planted freshwater aquariums

Aquariums with heavy root-feeding plants

Low-tech and high-tech aquariums

Beginner and experienced aquascapers