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Nitrospira MKII Bacteria

Nitrospira MKII is a live culture of nitrifying bacteria that starts a new biological filter quickly and re-seeds an established one. It carries both Nitrosospira for ammonia to nitrite and Nitrospira for nitrite to nitrate, plus waste-assimilating Bacillus species and probiotic strains. Dosed on system volume, it suits RAS, ponds and aquariums in fresh or salt water.

Price range: $160.00 through $500.00 ex GST

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Nitrospira MKII Bacteria

Product Information

Key Features

  • Live nitrifying bacteria for starting up a new biological filter with minimal downtime, and for re-seeding an established one
  • Seeds both steps of the nitrogen cycle at once — Nitrosospira converts ammonia to nitrite, Nitrospira converts nitrite to nitrate
  • Multiple Bacillus species assimilate organic waste, with probiotic strains that improve water clarity and lower disease risk through competitive exclusion
  • Adhesive nitrifying strains attach to filter media, so the population stays in the biofilter instead of washing through
  • Works in both fresh water and salt water — RAS, ponds and aquariums
  • Dosed on system water volume: RAS at 50 mL per 1,000 L standard or 50 mL per 5,000 L super concentrate, with a follow-up dose at 50% strength on day 14
  • Keep refrigerated; orders are dispatched at the start of the week so the bacteria arrive viable
  • Sizing — multiply your system volume in m³ by the dose rate (50 mL per m³ standard, 10 mL per m³ super concentrate) to get the millilitres per treatment, then divide by the 1,000 mL bottle size

Specifications

SpecificationDetailSKU
Pack size1,000 mL bottle — standard concentrationNITRO1000
Pack size1,000 mL bottle — super concentrateNITRO1000SC
FormLive liquid culture of nitrifying, waste-assimilating and probiotic bacteria
Dose rate — RAS (standard)50 mL per 1,000 L, i.e. 50 mL per m³NITRO1000
Dose rate — RAS (super concentrate)50 mL per 5,000 L, i.e. 10 mL per m³NITRO1000SC
Dose rate — aquarium (standard)5 mL per 100 LNITRO1000
Dose rate — aquarium (super concentrate)5 mL per 500 LNITRO1000SC
Dose rate — pond (standard)10 mL per 5,000 LNITRO1000
Dose rate — pond (super concentrate)10 mL per 25,000 LNITRO1000SC
Follow-up dosing50% strength on day 14; 50–100% doses after cleaning or water changes; periodic dosing revitalises aged biofilters
OrganismsNitrosospira (ammonia to nitrite), Nitrospira (nitrite to nitrate), waste-assimilating Bacillus species and probiotic strains
Media adhesionContains adhesive nitrifying bacteria that attach to filter media
Water typeFresh water and salt water
StorageKeep refrigerated for best results
DispatchShipped only at the beginning of the week to protect bacterial viability in transit
Shipping weight2 kg per bottle

Downloads

Nitrospira MK2 Brochure

Frequently Asked Questions

How much do I need for my system?
Multiply your system volume in cubic metres by 50 millilitres for the standard concentration, or by 10 millilitres for the super concentrate, then divide the result by the 1,000 millilitre bottle size.
What is the dose rate for a RAS?
50 millilitres per 1,000 litres for the standard concentration, or 50 millilitres per 5,000 litres for the super concentrate.
What about aquariums and ponds?
Aquariums take 5 millilitres per 100 litres standard, or 5 millilitres per 500 litres super concentrate. Ponds take 10 millilitres per 5,000 litres standard, or 10 millilitres per 25,000 litres super concentrate.
Do I need to dose again after the first application?
Yes. Apply a follow-up dose at 50 per cent strength on day 14, and 50 to 100 per cent doses after cleaning or water changes to maintain stability.
Which bacteria are in the bottle?
Nitrosospira, which converts ammonia to nitrite, Nitrospira, which converts nitrite to nitrate, plus waste-assimilating Bacillus species and probiotic strains.
Can I use it in salt water?
Yes. Nitrospira MKII is formulated to perform in both fresh water and salt water systems.
How should it be stored and shipped?
Keep the product refrigerated for best results. Fresh By Design ships it only at the beginning of the week to give the bacteria the best chance of survival in transit.

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