Pure Aquarium Nitrate Down
PURE Aquarium

Reduces nitrate and algae in your aquarium

PURE Aquarium Nitrate Down is a specially formulated treatment, all-natural, for freshwater aquariums.

Once added to your aquarium, each ball will reduce nitrate to a targeted level therefore there is less nitrate for algae to feed off.

The protection continues through the month allowing multiple water changes without the need to add additional balls.

Regular use of PURE Aquarium products will ensure that your fish live in a safe, healthy and crystal clear environment.

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What is PURE Aquarium Nitrate Down?

PURE Aquarium Nitrate Down is a specially formulated treatment, all-natural, for freshwater aquariums

Once added to your aquarium, each ball will reduce nitrate to a targeted level therefore there is less nitrate for algae to feed off.

The innovative biodegradable gel ball delivery method provides an easy way to dose your aquarium. 

How To Use PURE Aquarium Nitrate Down?

Simply add the balls directly into your aquarium

• Use PURE Aquarium Nitrate Down whenever nitrate is detected or as part of your maintenance regime.

• For ongoing protection add 1 ball per 50L of tank volume per month, or as and when required to help reduce nitrate.

• To be effective a new dose should be added every four weeks.

• You cannot overdose with PURE Aquarium Nitrate Down and it can be used in conjunction with other PURE products in the family.

Product Information

• PURE Aquarium Nitrate Down will not harm fish or invertebrates.

• We would always recommend the addition of air into your tank using an air pump or venturi.

• Because PURE Aquarium Nitrate Down is a natural product it is perfectly normal that the balls may vary in size.

• PURE Aquarium Nitrate Down can act differently dependent on water conditions in each tank. This means that variations in appearance are normal and the rate of change can vary.

• Each PURE Aquarium Nitrate Down ball is manufactured from a natural polymer and is biodegradable.

• Wash hands after use.

• Once opened, store with lid tightly closed in a cool dark place.

• Keep in a safe place out of the reach of children. If swallowed drink plenty of water.

How To Use PURE Aquarium Nitrate Down?

Simply add the balls directly into your aquarium

• Use PURE Aquarium Nitrate Down whenever nitrate is detected or as part of your maintenance regime.

• For ongoing protection add 1 ball per 50L of tank volume per month, or as and when required to help reduce nitrate.

• To be effective a new dose should be added every four weeks.

• You cannot overdose with PURE Aquarium Nitrate Down and it can be used in conjunction with other PURE products in the family.

PURE Aquarium FAQs
What is PURE Aquarium?
PURE Aquarium is a live bacteria and enzymes in a unique gel ball delivery method.
How does PURE Aquarium work?
Bacteria are suspended in the ball until placed into aquarium water. When fish go in, ammonia is produced, and the bacteria leave the ball to feed on the fish waste. The ball shrinks and the bacteria coat the substrate, decoration and filter media. Other bacteria are also contained in Pure which clear...
Where do I place PURE Aquarium balls?
Ideally, place Pure Aquarium inside the filter, in an area that will contain it. You may need to use a filter bag to keep it in one place. Areas of water flow are best, and if you have to, you can drop Pure Aquarium straight into an aquarium containing small fish. Large fish over 15cm may try to eat...
Can I overdose PURE Aquarium?
No, but it does contain aerobic (oxygen demanding,) bacteria, so strong surface agitation and/or aeration from an airpump and airstone is encouraged.
Is there any PURE Aquarium left over when I use it?
Yes, Pure Aquarium balls shrink down over time leaving a small 5mm bead. This can be left in the filter with other filter media, or removed and discarded.
Can my fish eat it PURE Aquarium?
Yes it is possible for a large fish to eat Pure. It is only gel and friendly bacteria, but it should be discouraged. For any fish that is large enough to ingest Pure Aquarium, either in its hydrated or shrunken form, place it into the filter and contain it.
I’ve added Pure Aquarium to my system and nothing has happened?
As soon as Pure Aquarium is placed into an aquarium with fish, and dechlorinated water of the correct temperature, something will happen. Bacteria will leave the ball in their millions and seed the aquarium. You can’t see them but they are there and working, and Pure’s bacteria has been independently...
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