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2Hr Aquarist APT Estimative Index

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.
FAQ here.

Size


Above: a fast-growing 'farm tank' using APT Complete.

view current users' tanks

Unlock the full potential of your planted tank today!


Above: a slower-growing non CO2 tank using APT Zero. 


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