The 2Hr Aquarist APT Jazz – Root Fertilizer

2Hr Aquarist APT JAZZ

APT JAZZ is a slow-release substrate/root product designed to rejuvenate mature or depleted substrate.

Best for

Mature/depleted aquasoil; root-feeding plants; fine-grained inert substrate with adequate cover

How to use

Manufacturer: about 1 capsule per 4×4 cm / 2.5 sq in area, at least 2.5 cm / 1 in deep.

Technical information

NPK 16-0.2-0; N 16% (3% nitric, 13% ammoniacal); P2O5 0.2%; MgO 0.6%; Fe 0.01% chelated

Composition: Clay, ammonium sulfate, magnesium nitrate

Important

Place deep in the substrate; avoid exposing or stirring capsules unnecessarily; follow the manufacturer’s spacing and depth guidance.

Related APT products

APT 3, APT 1, APT Feast

Manufacturer: The 2Hr Aquarist. Technical information verified against the official manufacturer page on 2026-09-28.