Overview
APT Zero by 2Hr Aquarist is a concentrated, all‑in‑one fertilizer designed for aquariums with high bioload or those following a lean dosing philosophy. Unlike traditional complete ferts, APT Zero contains no nitrates or phosphates—ideal for managing algae while providing essential potassium, magnesium, iron, boron, copper, manganese, molybdenum, and zinc.
Key Features
- Zero nitrates & phosphates: Prevents nutrient spikes and algae, ideal for tanks with lots of fish or low nutrient needs .
- Complete micronutrient profile: Delivers 3.8 ppm K, 0.5 ppm Mg, 0.05 ppm Fe, and essential trace elements per 5 ml dose per 100 L .
- Lean yet effective: Strong growth without excess nutrients—mimics ADA (Aqua Design Amano) dosing system for aquascaping .
- Compact 200 ml bottle: Lasts ~3 months at 5 ml/100 L four times a week—perfect for small to medium tanks .
Specifications
| Volume | 200 ml (also available in 500 ml / 1000 ml) |
|---|---|
| Dosage | 5 ml per 100 L, 4×/week; or 3 ml per 100 L daily . |
| Nutrients | K, Mg, Fe + B, Cu, Mn, Mo, Zn; no NO₃/PO₄ |
| Suitable for | High fish‑load tanks, non‑CO₂, or ADA‑style lean approaches . |
Benefits for Aquascapers
- Algae-safe formula: No nitrates or phosphates keeps algal blooms minimized .
- Rich plant coloration: High K and Fe support vibrant reds and healthy growth .
- Fish-friendly: Perfect for fish-heavy systems; nutrient contributions from waste reduce need for N/P .
- Cost-effective & compact: Small bottle covers long duration, reducing cost and shelf waste .
How to Dose
- Shake well before use.
- Dose 5 ml per 100 L four times weekly, or 3 ml per 100 L daily.
- Maintain weekly water changes and monitor plant health for adjustments.
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