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Cheaper elsewhere? We’ll match it or credit you back even after purchase.
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Free standard shipping on orders over $99
Terms and Conditions Apply!
We can ship to any address in Australia and New Zealand. Note that there are restrictions on some products, and some products cannot be shipped to some locations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full kilo.
API Marine Stress Zyme is a potent liquid supplement designed to enhance biological filtration in marine and reef aquariums. Formulated with a blend of live beneficial bacteria, it helps break down organic waste, excess food, and harmful toxins such as ammonia and nitrites. By supporting the growth of these bacteria, API Marine Stress Zyme improves water quality and promotes a healthy, stable aquarium environment. It is ideal for new setups, recovering tanks, or routine maintenance in established marine systems.
Boosts Biological Filtration: Supports the growth of beneficial bacteria that decompose organic waste, reducing harmful ammonia and nitrites.
Enhances Water Quality: Helps maintain clear, healthy water by breaking down uneaten food, fish waste, and other organic matter.
Safe for All Aquatic Life: Suitable for fish, invertebrates, and live plants, making it safe for new and established marine tanks.
Promotes a Balanced Ecosystem: Supports the natural nitrogen cycle, maintaining stability in your aquarium.
Fast-Acting Formula: Begins working immediately to detoxify harmful substances and improve water conditions.
New Tank Setup: Add 5 mL per 10 gallons (38 L) immediately after setting up the aquarium. Continue dosing regularly for the first few weeks to establish beneficial bacteria.
Regular Maintenance: Add 5 mL per 10 gallons once a week to support biological filtration and maintain healthy water conditions.
Ammonia or Nitrite Spikes: If levels are high, dose 10 mL per 10 gallons (38 L) to neutralize toxins and boost beneficial bacteria.
473ML: Ideal for medium to large aquariums, providing multiple treatments for maintenance or emergency spikes.
For New Aquariums: Kick-start the nitrogen cycle and reduce toxin risks for fish and invertebrates.
For Established Tanks: Maintain optimal biological filtration and a stable ecosystem with regular use.
During Ammonia/Nitrite Spikes: Quickly detoxify harmful substances and restore balance in your aquarium.
Safe for Sensitive Species: Perfect for tanks with delicate fish, corals, or invertebrates.
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