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Fertilizer Choice

Which product is right for me?

Should I use APT 1, APT3 or APTe?

APT 3 works well across a wide range of tanks. It provides an optimal balance of nutrition and algae control. It contains a comprehensive set of nutrients necessary for plant growth and does not require additional nutrition supplements. APT 3 is slig

Which fertilizer for a new tank without CO2 injection?

For most new tanks, we recommend APT1 for the first 1 to 2 months. This includes new tanks without CO2 injection. You can continue with APT1 if you add a large fish population or have a low plant mass (lots of unplanted areas). Switch to APT3 if you

Which fertilizer for a new CO2 injected tank?

We recommend APT 1 for the first 1-2 months. Then, as plant mass increases, switch to APT 3 if your fish load is low or moderate. Continue with APT 1 if your fishload is high (if NO3 measures above 5ppm on average). You can also start with APT 3 stra

What is the best liquid fertilizer for a matured tank?

Aquatic plants are not perennial so simply adding a new, more powerful fertilizer will not help existing foliage / leaves. Old stems, roots and leaves deteriorate naturally and must be removed. Better fertilization will help plants to generate lush N

How is APT different from other fertilizers?

Compared to conventional fertilizers, APT 3 is:. 3X more concentrated for demanding species*2X more nitrate limiting for richer colours^. The planted aquarium hobby traces its roots to fish-focused aquariums in the 1970s. Conventional fertilisers wer

Which fertilizer should I use to prevent algae?

Lean water column dosing, moderate light strength and low organic waste are the 3 pillars for algae control. APT 1 is the leanest, so it generally provides maximum algae control. Pair it with APT Jazz in aquasoil. If you are facing algae issues these

Which fertilizer is best for an Iwagumi Style aquarium?

In an Iwagumi, the top priority is keeping the hardscape and delicate carpet algae free. Compared to aquascapes that make use of larger, more robust plants, Iwagumi layouts are lightly planted by comparison. We recommend APT 1 in combination with a r