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    When it comes to nitrification, the fastest, if not the most advanced systems are those found in Recirculating Aquaculture Systems (RAS).

ACF-RAS-Right

When it comes to nitrification, the fastest, if not the most advanced systems are those found in Recirculating Aquaculture Systems (RAS). It is no surprise, therefore, that BluePlanet Labs and Nova Q have established a dedicated product line specifically for this critical part of Aquaculture.

RAS has been proven both as a technical and economic solution for the aquaculture industry, particularly for salmon farming. Having started just for the first couple of stages in hatcheries, these have now developed for the first year’s growth with new sites being developed to be 100% through RAS.

However, RAS as an emerging technology is not without challenges, amongst the most important of which are robust nitrification and biological filtration.
BluePlanet Labs have many years of experience developing bacteria consortia with particular expertise in functional nitrification and denitrification products with enhanced stability, now extended to 30 months from manufacture.

So, what is a RAS?

Hatcheries need lots of water as they need to simulate a natural river environment. Flow-through systems rely on diverting large volumes of water from lakes and rivers through fish tanks and out the other end. Depending on size and the location, these are likely to have large water treatment systems at the back end to ensure the water returning to the river is as clean as possible. RAS allows the vast majority of this water (usually a 95% target) to be reused over and over again.

With the volume of water needed, this means huge biofilters for the removal of ammonia with very short retention times, often at sub-optimum temperatures for the process.

The RAS-Right range of products has been specifically developed to satisfy the nitrification and denitrification needs of the Global RAS market.

There are three products in the RAS-Right range:

  • ACF-RAS-Right: Freshwater
  • ACF-RAS-Right-Marine
  • ACF-RAS-Boost.

In addition, Nova Q offers other products that are suitable for use in Aquaculture:

  • Hydrus™ 75 – a non-hazardous disinfectant for both surface and water disinfection. Available in both concentrated liquid and wipes.
  • Predator – a simple dechlorinator, for use after chlorine-based disinfectants.
  • Aquaclean™ ACF-Sludge Abate – an organic and bacteria complex which is safe for fish and acts as a scavenger for residual biocides after cleaning and disinfection.

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