ADA · Root feed
Bottom Plus
Swords, crypts, vallisneria and other root feeders, especially in older or inert substrate.
1 model
2HR Aquarist · Root feed
2HR Aquarist APT Jazz
Slow-release capsules pushed into the substrate that feed roots with substrate-bound ammoniacal nitrogen and other macros. It works alongside a liquid fertiliser rather than replacing it.
Updated
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Best for
Swords, crypts, lilies and other heavy root feeders, especially in older aquasoil or inert gravel.
Worth knowing
Push capsules deep into the substrate; shallow placement can leak nutrients into the water.
What stands out
- Slow-release root capsules
- Substrate-bound nitrogen and macros for root feeders
- Designed to be used with 2HR's liquid fertilisers
Specs
- Brand
- 2HR Aquarist
- Supplies
- Ammoniacal nitrogen and macros at the roots
- Adds nitrate and phosphate
- Via the substrate
- Effect on KH and pH
- None
- Form
- Root capsules
- How often
- Every few months
- Suits
- Heavy root feeders
- Sizes
- Mini (9 caps), Small (18 caps), Large (54 caps)
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.
Compare with
Browse all fertilisers & treatments
2HR Aquarist · Starter and bacteria
APT Balance
New aquasoil tanks during cycling, or after a big rescape or filter clean.
1 model
2HR Aquarist · Foliar spray
APT Dew
The dry-start phase of a carpet, and emersed mosses and plants above the waterline.
1 model
2HR Aquarist · Nutrient aquasoil
APT Feast
New planted tanks and soft-water shrimp setups that want a feeding substrate from day one.
1 model
Frequently asked questions
Quick answers about the 2HR Aquarist APT Jazz, drawn from its specs.
Who is the 2HR Aquarist APT Jazz best for?
Swords, crypts, lilies and other heavy root feeders, especially in older aquasoil or inert gravel.
Is there anything to watch out for with the 2HR Aquarist APT Jazz?
Push capsules deep into the substrate; shallow placement can leak nutrients into the water.
What are the alternatives to the 2HR Aquarist APT Jazz?
Other fertilisers & treatments worth comparing: ADA Bottom Plus, 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 Jazz 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.