2Hr Aquarist APT 3 – Complete Aquarium Fertilizer (High-Tech Tanks)

APT 3 by 2Hr Aquarist is a premium complete liquid fertilizer formulated specifically for high-light, CO₂-injected planted aquariums. It provides a rich and balanced supply of macro and micro nutrients required for fast-growing and demanding aquatic plants. Unlike low-tech fertilizers, APT 3 delivers higher nutrient levels to support intense plant growth, strong coloration, and dense carpeting plants. It is ideal for red plants, stem plants, and carpets such as Monte Carlo, Glossostigma, Rotala, Alternanthera, and Ludwigia. Despite its strength, APT 3 is safe for fish, shrimp, and snails when used as directed. Regular dosing combined with water changes ensures stable growth and algae control, making it a favorite among professional aquascapers and competitive layouts. Key Features & Benefits Designed for high-tech planted aquariums Optimized for CO₂-injected setups Complete macro and micro nutrient formula Enhances plant color and growth speed Supports carpeting and red plants Shrimp and fish safe when dosed correctly Product Specifications Product Type: Liquid aquarium fertilizer Suitable Setup: High-tech planted tanks CO₂ Requirement: Required / strongly recommended Target Plants: Fast-growing and demanding species Water Type: Freshwater Recommended For High-light planted aquariums CO₂-injected setups Dutch-style and nature-style layouts Advanced aquascapers Carpeting and red plant growth Usage & Dosing Notes Dose according to manufacturer guidelines Perform regular water changes Shake well before use Avoid overdosing to prevent algae