APT

Estimative Index 500ml

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  • Regular price Dhs. 110.00
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With the 2HR Aquarist APT-EI, the famous nutrient dosing approach pioneered by Tom Barr is now available in a ready-to-use concentrate that removes the guesswork from trying to recreate this powerful and sometimes elusive formula.

An overview of the EI methodology can be found here.

Dose 5ml per 100L 3 times per week or 2ml per 100L daily.

The Estimative Index 500ml was built for hobbyists like you in mind. Something to keep you happy. Every. Single. Day.

Inventory Last Updated: Jun 19, 2021