Features:
Compared to conventional Estimative Index fertilisers:
2X more nitrate limiting for richer colours*
2X more magnesium for stronger growth^
Dose 2ml per 100L daily
Our Standard 300ml Pack comes with a calibrated pump. 1ml per press.
Lasts ~3mths for a 40 Gal / 150L tank.
The EI approach pioneered by Tom Barr is designed to provide a 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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