Brightwell Aquatics MicroBacter Dry Rock Bacteria Starter Kit – Up to 100 gal
Kickstart your new reef with confidence! This kit provides everything needed for afishlesscycle on dry rock and dry sand—precise nutrients, live nitrifying bacteria, and a follow‑up cleaner to help tame the early “ugly stage.” 🧪🪸✨
What’s Inside (Use in this order)
- MicrōBacter QuikCycl – 60 ml:Ammonia‑based nutrient to feed nitrifiers during fishless cycling.
- MicrōBacter Start XLM – 125 ml:Professional‑strength live nitrifying bacteria culture for rapid cycling (marine).
- MicrōBacter CLEAN – 500 ml:Select microbes and enzymes to reduce organics and help minimize the “ugly stage” after the cycle.
Why It’s Great
- Designed specifically fordry rock + dry sandstarts (avoid “live sand” or bacteria‑seeded artificial rock).
- Provides acontrolled, fishless cycle—no risk to livestock.
- Treats up to 100 gallons(≈ 7 weeks of CLEAN maintenance after cycling).
- Pairs perfectly with regular ammonia/nitrite/nitrate testing for a safe, predictable start.
Full Day‑by‑Day Cycling Guide (Day 1–9+)
- Day 1
- Turnoffskimmer & UV; remove fine mechanical filtration (filter socks).
- Dechlorinate if using tap water (e.g., Brightwell Erāse‑CL). Skip if using RODI.
- Set salinity & temperature, then doseQuikCycl: 4 drops/gal (≈1 ml/5 gal).
- Test ammonia—target ~1–2 ppm total (NH₃+NH₄⁺). Donotadd extra ammonia.
- AddMicroBacter Start XLMas directed on its label.
- Day 2– Test & recordpH, ammonia, nitrite.
- Day 3– Test & recordpH, ammonia, nitrite.
- Day 4– TestpH, ammonia, nitrite. If ammonia or nitrite >0.25 ppm, youmayadd more bacteria (not more QuikCycl).
- Day 5– Test & recordpH, ammonia, nitrite.
- Day 6– TestpH, ammonia, nitrite. If >0.25 ppm, youmayadd more bacteria.
- Day 7
- TestpH, ammonia, nitrite. If using Start XLM and both are0, testnitrate.
- If nitrate ≥ 0.25 ppm, your aquarium iscycled.
- If not, proceed to Day 8.
- Day 8– Test & recordpH, ammonia, nitrite.
- Day 9+
- Continue daily tests. When bothammonia & nitrite = 0, verify nitrate ≥ 0.25 ppm →cycled.
- Perform a25% water change, then slowly introduce hardy livestock.
- Restart UV, skimmer, and mechanical filtration. Go slow!
How to Use MicrōBacter CLEAN (Post‑Cycle)
- Maintenance:20 ml per 25 gal weekly; turn off skimmer & UV for 4 hours after dosing.
- Accelerated/Problem tanks:Day 1 dose 30 ml per 25 gal, then 5 ml per 25 gal daily for ~2 weeks.
Safety & Tips
- Fishless only:Do not use QuikCycl in tanks with fish, corals, or inverts.
- Avoid carbon/GFO and bacteria‑seeded “live sand/rock” during the cycle—they can interfere.
- Test daily; patience beats overdosing.
What’s Included
- MicrōBacter QuikCycl – 60 ml
- MicrōBacter Start XLM – 125 ml
- MicrōBacter CLEAN – 500 ml
More Information
| Item Name | Brightwell Aquatics MicroBacter Dry Rock Bacteria Starter Kit |
| Brand | Brightwell Aquatics |
| Manufacturer SKU | BW‑DRSK100 |
| UPC | 810086019571 |
| Coverage | Up to ~100 gallons (with post‑cycle CLEAN maintenance) |
| Kit Components | QuikCycl 60 ml; Start XLM 125 ml; CLEAN 500 ml |
| Cycle Protocol | Full Day 1–9 fishless cycle; see instructions above |
Shop Components & Refills
- MicrōBacter QuikCycl – 60 ml
- MicrōBacter Start XLM – 125 ml
- MicrōBacter CLEAN – 500 ml






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