Brightwell Aquatics MicroBacter Start XLM – 15× Live Nitrifying Bioculture (500 ml)
Seed big systems with confidence. Thisprofessional‑strength live cultureestablishes nitrification fast so you can move from cloudy to stable sooner. 🐠🧪
Overview 🌊
- Super‑concentrated15×nitrifiers—typical cycle time ≈ 5–7 days
- Great for new tanks, after deep cleans/medications, or heavy stocking
- Marine & brackish compatible; reef‑safe when used correctly
- Consistent results with a simple dosing protocol
Key Features ✅
- Rapid conversion of ammonia and nitrite via live, non‑pathogenic bacteria
- Stabilizes systems and reduces “new tank” risks
- Use in a high‑flow area; avoid media that strip nutrients during cycling
- Supports fishless cycling methods (e.g., QuikCycl)
How to Use 💧
- Prep:Dechlorinate tap water if used; shake vigorously.
- Initial dose:30 ml per 25 US gal(≈1.2 ml/gal).
- Equipment:Remove filter socks; turnUV/ozone/skimmer offthrough the cycling period while dosing XLM.
- Daily checks:IfNH₃ or NO₂⁻ >0.2 ppm, add10 ml per 25 galagain.
- Completion:Cycle is done when ammonia & nitrite read zero and nitrate is measurable (typically by day 7).
- Avoid:Carbon/GFO/phosphate removers until cycling is complete plus 30 additional days.
What’s Included 📦
- 500 ml bottle of MicroBacter Start XLM
- Measuring cap
More Information
| Item Name | Brightwell Aquatics MicroBacter Start XLM – 500 ml |
| Brand | Brightwell Aquatics |
| Manufacturer SKU | BW-BACSX500 |
| UPC | 810086019526 |
| Size/Volume | 500 ml (17 fl oz) |
| System Type | Marine & Brackish |
| Treatment Volume | Initial dose ≈ 1.2 ml per gallon |
Shop Other Sizes
- MicroBacter Start XLM – 250 ml






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