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2Hr Aquarist APT Estimative Index (200 ml)

Rs. 4,400.00

2Hr Aquarist APT Estimative Index 200 ml – premium all-in-one EI liquid fertilizer with balanced NPK, Mg, Fe & trace elements; supports lush growth, rich coloration in CO₂-planted tanks.

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Overview

2Hr Aquarist APT Estimative Index (200 ml) is a concentrated all-in-one liquid fertilizer formulated according to the Estimative Index method popularized by Tom Barr. Ideal for heavily planted and Dutch-style aquariums, it delivers a complete nutrition package to support vigorous plant growth and vibrant coloration.

Key Features

  • Comprehensive nutrient blend: Balanced NPK (Mg) with complete trace elements—supports fast growth and vivid colors
  • Calibrated for richer hues: High magnesium and controlled nitrate formula enhance green and red tones
  • Convenient dosing: 2 ml per 100 L daily (or 5 ml per 100 L, three times weekly); pump not included
  • 200 ml bottle: Treats ~10,000 L (2,640 gal) on daily dosing or ~4,000 L (1,050 gal) on thrice-weekly schedule
  • Shrimp-safe & plant-focused: Shares nutrients without overloading water column; prevents algae by avoiding nutrient excess

Nutrient Profile (per label)

  • Nitrogen (N): ~1.6 %
  • Phosphorus (P₂O₅): ~1.7 %
  • Potassium (K₂O): ~8.5 %
  • Magnesium (MgO): ~1.6 %
  • Iron (Fe): ~0.18 %
  • Includes B, Cu, Mn, Mo, Zn trace elements

Why Choose APT Estimative Index?

  • Ensures no macronutrient deficiencies with EI-based dosing
  • Enhanced magnesium promotes lush, dark greens and healthy growth
  • Tailored dosing enables richer colors with minimal algae risk
  • Simple, comprehensive fertilization—eliminates multi-step dosing

Usage Instructions

  1. Shake bottle before use to ensure even mixture
  2. For daily dosing: Add 2 ml per 100 L of aquarium water
  3. Or for thrice-weekly dosing: Add 5 ml per 100 L on Mon, Wed, Fri
  4. Always perform a 50 % water change weekly as part of EI maintenance
  5. Monitor plant health and adjust dosing as needed

 

Weight0.25 kg
Volume

200ml, 300ml, 500ml

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APT 2HR Estimative Index 200ml2Hr Aquarist APT Estimative Index (200 ml)
Rs. 4,400.00
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