2HR Aquarist · Algae treatment
APT FixLite
Moss-heavy and delicate-plant tanks that still need to tackle algae.

2HR Aquarist · Algae treatment
A spot treatment for stubborn algae, especially black beard, staghorn and the stringy or fuzzy filamentous types. You dose it straight onto the algae with the flow off, and it biodegrades.
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Planted tanks with patches of black beard algae or hair algae on hardscape and slow plants.
It can harm mosses, liverworts and vallisneria. Use APT FixLite in tanks with those plants, and fix the cause of the algae too.
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
2HR Aquarist · Algae treatment
Moss-heavy and delicate-plant tanks that still need to tackle algae.
2HR Aquarist · Starter and bacteria
New aquasoil tanks during cycling, or after a big rescape or filter clean.
2HR Aquarist · Foliar spray
The dry-start phase of a carpet, and emersed mosses and plants above the waterline.
2HR Aquarist · Nutrient aquasoil
New planted tanks and soft-water shrimp setups that want a feeding substrate from day one.
Quick answers about the 2HR Aquarist APT Fix, drawn from its specs.
Planted tanks with patches of black beard algae or hair algae on hardscape and slow plants.
It can harm mosses, liverworts and vallisneria. Use APT FixLite in tanks with those plants, and fix the cause of the algae too.
Other fertilisers & treatments worth comparing: 2HR Aquarist APT FixLite, 2HR Aquarist APT Balance, 2HR Aquarist APT Dew. Add any of them to the compare table to see the specs side by side.
Tap Compare on this page and on any other fertiliser or treatment you are considering, then open the compare table. It lines up every published spec side by side and lets you pick the size of each product.