Description
Aqua-Pics Bacta-Boost 125ml — Liquid starter bacteria for a new freshwater or marine tank
A newly filled tank has no biofilter at all, and fish added before one establishes are at the mercy of their own ammonia. Aqua-Pics Bacta-Boost 125ml (SKU: 100929) is a concentrated liquid beneficial bacteria supplement that Aqua-Pics describes as carrying far more live bacteria than many other brands, supplying the microbes and enzymes needed to break down fish waste and convert toxic ammonia and nitrite into nitrate. It works in both fresh and salt water, and the 125 ml bottle is sized for getting one new aquarium through its first cycle rather than ongoing dosing across several tanks.
Aqua-Pics’ directions call for an initial treatment of 5 mL per 25 L on day one, then 5 mL per 50 L every 7 to 14 days or with each water change as the tank settles in. Nitrate produced once ammonia and nitrite are processed is left for aquarium plants and routine water changes to control, which is the normal division of labour for a liquid nitrifier rather than a complete water-management product. Aqua-Pics states that 1 L treats up to 10,000 L of aquarium water, a ratio that puts the 125 ml bottle at roughly 1,250 L of treatment capacity across the full dosing schedule, enough to carry a single new tank through its cycle and several months of maintenance dosing afterwards.
Usage & Application
When to Use
- New aquarium set-ups: Seeding the biofilter before or as fish are introduced.
- Adding new fish: Supporting the filter through a sudden increase in bioload.
- Routine water changes: Topping up live bacteria lost with the water removed.
- Fresh or marine tanks: One formula for either water type.
Dosing & Administration Guide
- First treatment: 5 mL per 25 L of aquarium water on day one.
- Follow-up doses: 5 mL per 50 L every 7 to 14 days, or with each water change.
- Let plants and changes handle nitrate: The product converts ammonia and nitrite; nitrate control is a separate routine.
- Shake before use: Live bacteria settle in storage and need resuspending before dosing.
Product Specifications & Highlights
Key Features
- Concentrated live bacteria: A higher bacteria count than many comparable liquid starters, per Aqua-Pics.
- Breaks down waste: Converts toxic ammonia and nitrite through to nitrate.
- Fresh and marine use: Suited to either water type without reformulation.
- New-tank sizing: 125 mL matches the dosing needed to cycle one aquarium.
- High treatment ratio: 1 L rated to treat up to 10,000 L across a full dosing course.
Product Details
- Brand: Aqua-Pics (Australia)
- SKU: 100929
- Barcode (GTIN/EAN): 9336264002056
- Product Type: Additives & Supplements > Liquid Biological Filter Starter
- Net Volume: 125 mL
- Dose Rate: Day 1: 5 mL per 25 L; then 5 mL per 50 L every 7–14 days or with water changes
- Treatment Capacity: About 1,250 L, calculated from the maker’s 1 L per 10,000 L ratio
- Form: Liquid
- Other Sizes: 250 mL (SKU 100930), 500 mL (SKU 100931), 1 L (SKU 100932) and 2 L (SKU 124715)
- Target Environment: Freshwater and marine aquariums


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