Brightwell Aquatics Dry Rock Bacteria Starter Kit
The Brightwell MicroBacter Dry Rock Bacteria Starter Kit is crafted to initiate and cycle a new marine aquarium using dry rock or synthetic rock along with dry sand, in the absence of fish.
This comprehensive Starter Kit contains:
- A 2 oz bottle of MicroBacter QuikCycl Ammonia Nutrient for a Fishless Cycle
- A 125 mL bottle of MicroBacter Start XLM
- A 500 mL bottle of MicroBacter CLEAN
MicroBacter QuikCycl
Expertly formulated nutrients to support fishless cycling and to develop robust nitrifying bacteria populations in both freshwater and marine setups.
MicroBacter Start XLM
A potent 15x strength live tank starter nitrifying bioculture, designed for quick cycling of new marine fish, reef, and brackish aquariums, offering greater stability and faster establishment of beneficial bacteria.
MicroBacter CLEAN
Designed to remove organic debris and support a clean, balanced biological environment in the aquarium.
| Component | Quantity |
|---|---|
| MicroBacter QuikCycl Ammonia Nutrient | 2 oz |
| MicroBacter Start XLM | 125 mL |
| MicroBacter CLEAN | 500 mL |
FAQ
How long does it take to complete a fishless cycle with this starter kit?
The time required for a complete fishless cycle can vary depending on tank size, water conditions, and environmental factors. Typically, a cycle takes between 2 to 6 weeks with proper monitoring and maintenance.
Can this kit be used in a freshwater aquarium?
While the kit is primarily designed for marine aquariums, MicroBacter QuikCycl is formulated to support fishless cycling in both freshwater and marine setups. However, results may differ based on water chemistry and tank type.
Is the MicroBacter Start XLM safe to use in reef tanks?
Yes, MicroBacter Start XLM is specifically designed for marine environments, including reef tanks, and supports the rapid establishment of beneficial nitrifying bacteria without harming corals or invertebrates.

Colin White –
I used this kit to cycle my new 55-gallon marine tank with synthetic rock. The instructions were clear and the bacteria established quickly. My tank was fully cycled in about 4 weeks. No ammonia spikes, and the water parameters stabilized within a week of adding the starter culture.
Amanda Sharp –
The kit arrived on time and the components were well-packaged. I followed the setup guide and saw noticeable improvement in water clarity after two weeks. The QuikCycl nutrient helped maintain stable ammonia levels during the initial phase.
Maria Randall –
This kit made setting up my first reef tank much easier. The Start XLM worked faster than expected, and I was able to add fish after just three weeks. The CLEAN product helped keep the substrate clean and reduced organic buildup.