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Koi & pond
Marine
Brands
- Aqua Source
- Aquaforest
- Aquaforte
- ATM
- Bcuk
- Blue Life
- Bubble Magus
- Cloverleaf
- Colombo
- Coppens
- D-D
- Eheim
- Evolution Aqua
- Fauna Marin
- Firstbite
- Fritz
- Gold Label
- Kockney Koi
- Kusuri
- Mantis
- Minnfin
- NTLABS
- Oase
- Ocean Nutrition
- Polyp Lab
- Red Sea
- Reef Factory
- Reef Zlements
- Sailfert
- Seachem
- SuperFish
- TMC
- Vetark
- All our brands
New arrivals
Gift cards
Contact

live nitrifying bacteria

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£Minimum Price - Maximum Price

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Additives
Marine
Marine Dry Goods

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4 and up
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Sale!
ATM Colony Marine
Price range: £12.99 through £25.49

ATM Colony Marine instantly cycles new saltwater aquariums with live nitrifying bacteria, making it safe to add fish immediately. Reef-safe, effective, and trusted by professionals.

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Holly Farm, Torkington Rd, Hazel Grove SK7 6NP

[email protected]

07880 894661

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© 2026 Stockport Marine and Koi - Pet shop licence number 25/00382

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Restricted Delivery Postcodes for Live Fish, Corals, and Clean-Up Crew

To ensure the health and safety of our live fish, corals, and clean-up crew, we are unable to deliver to certain postcodes. These areas fall outside the guaranteed delivery times required to safely transport live livestock, and sending to these locations may compromise their wellbeing.

We appreciate your understanding and apologise for any inconvenience caused.

Restricted Delivery Areas:

Scotland:

AB30–AB34, AB35–AB39, AB41–AB45, AB51–AB56, DD8–DD10, DG3–DG9, DG12–DG14, FK17–FK21, KA18–KA19, KA26, KA29–KA30, PH3–PH26, PH30–PH50, TD9, IV1–IV63, KW1–KW14, PA80

Wales: LL35–LL48

Isle of Wight: PO30–PO41

Northern Ireland: Postcodes beginning with A or B – No Delivery

Offshore Islands

Guernsey: GY1–GY10

If you have any questions regarding delivery to your area, please contact our customer support team before placing an order.