API Marine Quick Start 473ml

2,800.00

  • Live nitrifying bacteria for marine aquariums
  • Helps establish the biological filter rapidly
  • Reduces toxic ammonia and nitrite
  • Supports the natural nitrogen cycle
  • Helps prevent new tank syndrome
  • Safe for reef aquariums, fish, corals and live rock
  • Ideal for new aquariums and adding livestock
  • No refrigeration required
  • Easy liquid dosing
  • Made in USA by API
SKU: API-MARQUICKSTART-473 Categories: , Brand:

Product Information

API Marine Quick Start 473 ml – Live nitrifying bacteria for marine and reef aquariums that rapidly establishes the biological filter, helps reduce toxic ammonia and nitrite, supports the natural nitrogen cycle, and allows faster aquarium startup. Safe for marine fish, live rock, corals, and invertebrates. Ideal for new aquariums, water changes, filter maintenance, and after medication. Made in the USA.

Rapidly Establish a Healthy Biological Filter in Marine & Reef Aquariums

Every new saltwater aquarium goes through a biological cycling process before it becomes stable enough to support marine life. During this period, toxic ammonia and nitrite can quickly accumulate, placing expensive marine fish and corals at risk.

API Marine Quick Start contains patented live nitrifying bacteria that immediately begin colonizing your biological filter. These bacteria convert harmful ammonia into nitrite and then nitrate, helping establish the natural nitrogen cycle and reducing the risk of new tank syndrome.

It is suitable for:

  • New marine aquariums
  • Reef aquariums
  • Fish Only With Live Rock (FOWLR) systems
  • Adding new fish
  • Introducing live rock or corals
  • After water changes
  • After replacing filter media
  • After medication

Unlike maintenance bacteria products, Marine Quick Start is specifically designed to help establish and reinforce the biological filter.

Why Marine Hobbyists Choose API Marine Quick Start

  • Live patented nitrifying bacteria
  • Helps establish the biological filter quickly
  • Reduces toxic ammonia and nitrite
  • Supports the natural nitrogen cycle
  • Helps prevent new tank syndrome
  • Reef safe
  • Safe for marine fish, corals and invertebrates
  • No refrigeration required
  • Ideal after medication or filter maintenance
  • Made in USA

Key Benefits

  • Accelerates biological filtration
  • Helps reduce fish losses caused by ammonia spikes
  • Supports faster aquarium startup
  • Helps stabilize new reef aquariums
  • Reinforces beneficial bacteria after maintenance
  • Safe with live rock and biological media
  • Suitable for fish-only and reef systems

Dosage

Marine Aquariums

  • Add 20 ml per 38 litres (10 US gallons) of aquarium water.
  • Shake well before use.
  • Use when starting a new aquarium, after water changes, replacing filter media, adding fish, introducing live rock or corals, after medication, or whenever ammonia or nitrite is detected.

Suitable For

  • Reef Aquariums
  • Fish Only Marine Tanks
  • FOWLR Systems
  • Live Rock Systems
  • Nano Reefs
  • SPS Reefs
  • LPS Reefs
  • Soft Coral Aquariums
  • Marine Quarantine Systems

Expert Recommendation from Something Fishy

Marine Quick Start helps establish beneficial bacteria, but it does not eliminate the need to monitor water quality. Every new marine aquarium should still be tested regularly for ammonia, nitrite, nitrate and pH before adding sensitive livestock.

For the safest results, pair Marine Quick Start with the API Saltwater Master Test Kit and introduce livestock gradually rather than fully stocking the aquarium at once.

Frequently Asked Questions

What is API Marine Quick Start used for?

API Marine Quick Start introduces live nitrifying bacteria that help establish the biological filter, reduce toxic ammonia and nitrite, and support the nitrogen cycle in marine and reef aquariums.

Can I add marine fish immediately after using API Marine Quick Start?

API states that fish can be added immediately when the product is used as directed. However, experienced reef keepers generally recommend adding livestock gradually and confirming water quality with reliable test kits, particularly for sensitive marine species.

Does API Marine Quick Start instantly cycle a reef aquarium?

No.
It helps speed up the establishment of beneficial bacteria, but the biological filter still requires time to mature. Regular testing for ammonia and nitrite remains essential.

API Marine Quick Start vs API Marine Stress Zyme – What's the difference?

Marine Quick Start
Establishes the biological filter
Best for new aquariums and after major disruptions

Marine Stress Zyme
Helps break down accumulated organic waste
Best for routine weekly maintenance in established aquariums

Many experienced marine hobbyists use Marine Quick Start during setup and Marine Stress Zyme for ongoing maintenance.

Can I use API Marine Quick Start in a reef aquarium with corals?

Yes.
It is reef safe and can be used in aquariums containing live rock, corals, marine fish and invertebrates according to the manufacturer's directions.

Does API Marine Quick Start remove ammonia?

Not directly.
It adds beneficial bacteria that biologically convert ammonia into nitrite and then nitrate. It is not an ammonia-neutralizing chemical conditioner.

Should I turn off my protein skimmer after dosing?

Most manufacturers recommend keeping filtration running. Many reef hobbyists temporarily reduce skimming for a short period after dosing bacterial products to maximize bacterial contact time, but practices vary. Follow your equipment and product guidance.

Can I use Marine Quick Start after medication?

Yes.
It is commonly recommended after medication or filter cleaning to help restore beneficial bacterial populations.

I have started a clownfish aquarium. Should I use API Marine Quick Start?

Yes.
It is ideal for new marine aquariums containing clownfish, damsels and other beginner marine species while the biological filter becomes established.

Can I use API Marine Quick Start when adding live rock?

Yes.
Adding live rock introduces beneficial organisms but can also increase the biological load. Marine Quick Start helps strengthen the biological filter during this period.

My ammonia is still showing after using Marine Quick Start. Is that normal?

Yes.
Beneficial bacteria need time to colonize filter media and surfaces. Continue monitoring ammonia and nitrite with a reliable test kit before adding additional livestock.

Can I use API Marine Quick Start with clownfish, tangs, angelfish, wrasses and corals?

Yes.
It is suitable for marine fish, live rock, corals and reef invertebrates when used according to the manufacturer's recommendations.

Shipping & Returns

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We hope you’ll love every purchase, but if you ever need to return an item you can do so within a stipulated time of receipt which may vary from product to product. For full details of how to make a return, please view our Returns information