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2HR Aquarist APT Fix

2HR Aquarist · Algae treatment

2HR Aquarist APT Fix

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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Best for

Planted tanks with patches of black beard algae or hair algae on hardscape and slow plants.

Worth knowing

It can harm mosses, liverworts and vallisneria. Use APT FixLite in tanks with those plants, and fix the cause of the algae too.

What stands out

  • Targets BBA and filamentous algae
  • Applied directly onto the algae
  • Biodegrades completely

Specs

Brand
2HR Aquarist
Supplies
Algae spot treatment
Adds nitrate and phosphate
No
Effect on KH and pH
None
Form
Liquid
How often
As needed, spot dosed
Suits
BBA and filamentous algae
Sizes
Starter, Standard, 200 ml, 500 ml, 600 ml
Treats
BBA, hair, string, fuzz and most filamentous algae

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.

Frequently asked questions

Quick answers about the 2HR Aquarist APT Fix, drawn from its specs.

Who is the 2HR Aquarist APT Fix best for?

Planted tanks with patches of black beard algae or hair algae on hardscape and slow plants.

Is there anything to watch out for with the 2HR Aquarist APT Fix?

It can harm mosses, liverworts and vallisneria. Use APT FixLite in tanks with those plants, and fix the cause of the algae too.

What are the alternatives to the 2HR Aquarist APT Fix?

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.

How do I compare the 2HR Aquarist APT Fix with similar products?

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.