2Hr Aquarist APT e

Artful Intelligence.

Compared to conventional Estimative Index fertilisers:

• 2X more nitrate limiting for richer colours*

• 2X more magnesium for stronger growth^

*in terms of the relative amount of nitrogen vs other nutrients per ml.
^in terms of the amount of magnesium per ml.

Dose: 2 ml per 100 L daily

Our Standard 300 ml Pack comes with a calibrated pump.
1 ml per press.
Lasts ~3 months for a 40 Gal / 150 L tank.

The Estimative Index (EI) approach pioneered by Tom Barr is designed to provide an unlimited / unconstrained amount of nutrients to plants based on a professionally Estimated Index of their needs.
APTe provides a calibrated version for richer coloration and algae control.

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APT E / Estimative Index
Liquid inorganic macronutrient fertiliser
NPK (Mg) fertiliser with micronutrients and trace amounts of Boron (B), Copper (Cu), Manganese (Mn), Molybdenum (Mo), and Zinc (Zn).
1.6-1.7-8.5 (+1.6)

• 1.6% Total Nitrogen (N)

  • 1.6% nitric nitrogen

• 1.7% Total Phosphorus pentoxide (P₂O₅)

• 8.5% Total Potassium oxide (K₂O)

• 1.6% Magnesium oxide (MgO)

• 0.18% Total Iron chelated by EDTA, DTPA, and EDDHA

All nutrients are completely water soluble.

Ingredients:
Potassium sulphate (CMC1 CAS n°7778-80-5)
Potassium chloride (CMC1 CAS n°7447-40-7)
Magnesium nitrate (CMC1 CAS n°10377-60-3)
Magnesium sulphate (CMC1 CAS n°7487-88-9)
Potassium phosphate (CMC1 CAS n°7778-77-0)