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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.
Dymax Instant Bactereum is a premium bacterial supplement designed to rapidly establish and maintain healthy biological filtration in freshwater and saltwater aquariums. This concentrated formula delivers live beneficial bacteria that efficiently break down ammonia, nitrites, and organic waste, speeding up cycling in new tanks and stabilizing established systems. By strengthening the biological filter, Instant Bactereum helps prevent toxic spikes, reduce maintenance, and promote a cleaner, healthier environment for fish, invertebrates, and plants.
Rapidly Establishes Beneficial Bacteria: Introduces live nitrifying bacteria to accelerate the nitrogen cycle in new and existing aquariums.
Reduces Ammonia & Nitrite Levels: Breaks down harmful compounds to maintain safe water quality and prevent toxicity.
Supports Biological Filtration: Enhances the aquarium’s natural filtration, reducing the need for frequent water changes.
Suitable for Freshwater & Marine Tanks: Safe for all setups, including planted tanks, reefs, and community aquariums.
Minimizes Waste & Sludge Build-Up: Helps break down organic waste, keeping substrate and filter media cleaner.
Prevents New Tank Syndrome: Essential for cycling new tanks and avoiding toxic ammonia and nitrite spikes.
New Aquarium Setup: Add 10 ml per 100 liters (26 gallons) of water daily for 7 days to establish bacterial colonies and speed cycling.
Routine Maintenance: Add 5 ml per 100 liters (26 gallons) weekly to maintain bacterial populations and water quality.
Ammonia/Nitrite Spikes: Dose 10 ml per 100 liters (26 gallons) to quickly reduce elevated ammonia or nitrite levels.
Application: Shake well before use. Pour directly into the aquarium near the filter outlet or in a high-flow area for even distribution.
300 ml: Ideal for smaller tanks or occasional use.
500 ml: Suitable for larger aquariums or regular bacterial maintenance.
For New Aquariums: Accelerates cycling to reduce fish stress and improve water quality.
For Established Tanks: Enhances biological stability, reduces organic waste, and supports aquatic health.
After Water Changes & Filter Cleaning: Replenishes beneficial bacteria to maintain filtration efficiency.
High Bioload Tanks: Ideal for heavily stocked tanks to manage waste and prevent ammonia buildup.
Pair with Water Conditioners: Use alongside Dymax Aqua Clarity or similar dechlorinators for optimal conditions.
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