Active Bio Mix: Liquid Filter Starter & Maintenance

Price range: £24.18 through £141.82

Active Bio Mix Beneficial Bacteria is a high-concentration, liquid formula designed for rapid biological filter establishment and maintenance. It significantly reduces the cycle time for new pond filters and ensures stable ammonia and nitrite processing in established systems.

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🛡️ 30-Day Returns
🚚 UK Dispatch Fast & Secure
📦 SHIPPING RATES & INFO +
Orders Over £50 : ✅ FREE DELIVERY
  • ⚖️ Under 2kg: £3.49
  • ⚖️ 2kg – 5kg: £4.99
  • ⚖️ 5kg – 10kg: £6.99
  • ⚖️ 10kg – 20kg: £11.49
  • ⚖️ 20kg + £14.99
⏱ Typical Delivery: 1 - 3 Working Days
⚠️
IMPORTANT: Excludes oversized items (e.g. Large Filters, Drums, UV Sterilisers & Pipe Lengths).
Please check the cart for accurate rates on bulky items.
Prices are for UK Mainland Postage Only.

Bio Mix Filter Starter: Rapid Filter Establishment

Ensuring a healthy biological filter is the single most critical factor in koi keeping. Bio Mix Filter Starter delivers a potent, concentrated liquid dose of the necessary nitrifying bacteria straight to your filter media. This allows new pond filters to establish safe nitrification cycles faster, minimizing the dangerous “new tank syndrome” spikes of ammonia and nitrite.

For established ponds, Active Bio Mix is an essential weekly or post-water-change additive. It replenishes beneficial bacteria lost during backwashing, heavy rain, or medication use, keeping your pond’s ecosystem robust and resilient against toxic buildup.

Key Benefits & Use Cases

Essential Biological Support

  • Rapid Start-Up: Significantly speeds up the colonization of biological media in new pond filters and quarantine tanks.
  • Essential for Quarantine: Crucial for cycling and maintaining water quality in temporary quarantine tanks.
  • Ammonia/Nitrite Reduction: Provides the living bacteria needed to efficiently convert highly toxic ammonia and nitrite into harmless nitrate.
  • Maintenance Dose: Boosts existing filters after cleaning, water changes, or chemical treatments.
  • Sludge Digestion: Helps break down fine organic particulates and reduce overall sludge accumulation.

Application Guide

Scenario
Dosage Recommendation
Notes
New Filter Start-Up
Double the maintenance dose daily for 7 days.
Apply directly to the biological filter chamber.
Weekly Maintenance
Use the standard dose (per packaging) once a week.
Apply evenly to the pond water or directly to the filter.
After Medications
Use the maintenance dose daily for 3 days.
Medications can reduce bacteria populations; rapid recovery is essential.
Water Change
Use the maintenance dose after every large water change.
Dilution impacts bacterial concentration.

 

Bio Mix Filter Starter works best when added near the filter return or directly into the biological section of your filter to ensure maximum colonization. Always switch off your UV sterilizer for 24 hours after application to allow the bacteria to settle and multiply.

Volume (ml/L)

2 Litres, 20 Litres

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