2HR Aquarist APT 1

Compared to conventional fertilisers (largely developed pre-2000s for ‘fish tanks’ with simpler / hardy plants):
3X more concentrated for demanding species*
2X more potassium for richer colours^

Dose 3ml per 100L daily.

Our Standard 300ml Pack comes with a calibrated pump. 1ml per press.
Lasts ~3mths for a 30 Gal / 115L tank.

*in terms of total soluble elemental fertiliser per ml.
^in terms of the amount of potassium per ml.

APT 1 replicates APT 3’s winning formula without nitrates and phosphates. This gives maximum algae control for new tanks (we recommend all tanks to start with APT 1 for the first 1-3 months), and optimal long term performance for tanks with more fish. This is because fish food and waste already supply phosphates and nitrates.