Brightwell Aquatics MicroBacter Start XLF – 250mL
Brightwell Aquatics MicroBacter Start XLF – 250mL
Brightwell MicroBacter Start XLF is a concentrated live nitrifying bacteria supplement designed to help start biological filtration in new freshwater aquariums. This freshwater formula helps establish the bacteria needed to process ammonia and nitrite, making it a helpful choice for new tank setups, filter starts, and aquarium cycling support.
MicroBacter Start XLF is ideal for freshwater fish tanks, planted aquariums, shrimp tanks, cichlid aquariums, quarantine systems, and new aquarium builds where stable biological filtration is needed before adding livestock.
Key Features
- Live nitrifying bacteria supplement for freshwater aquariums
- Helps establish biological filtration in new aquarium setups
- Supports the breakdown of ammonia and nitrite
- Great for new tanks, filters, and quarantine systems
- Useful after filter media changes or biological disruption
- Freshwater-specific formula
- Pairs well with Brightwell MicroBacter QuikCycl for fishless cycling
- Helps create a safer, more stable aquarium environment when used as directed
Recommended Use
- New freshwater aquarium setups
- Fishless cycling
- Planted tanks
- Shrimp aquariums
- Cichlid aquariums
- Quarantine and hospital tanks
- After replacing or cleaning filter media
- When restarting biological filtration
Directions
Shake well before use. For best results, use with dechlorinated water and test ammonia, nitrite, nitrate, and pH during the cycling process.
- New Aquarium Start: Add product according to label directions based on aquarium size.
- Fishless Cycling: Pair with Brightwell MicroBacter QuikCycl as the ammonia source to feed nitrifying bacteria.
- During Cycling: Test ammonia and nitrite regularly before adding livestock.
- Important: Do not add fish or invertebrates until ammonia and nitrite are consistently reading zero.
- Storage: Store according to label directions and avoid extreme heat or freezing.
Product Specifications
- Brand: Brightwell Aquatics
- Product: MicroBacter Start XLF
- Size: 250mL / 8.45 fl oz
- Water Type: Freshwater
- Use: Live nitrifying bacteria supplement for starting biological filtration
Frequently Asked Questions
What does Brightwell MicroBacter Start XLF do?
MicroBacter Start XLF adds live nitrifying bacteria to freshwater aquariums to help establish biological filtration and support the breakdown of ammonia and nitrite.
Is MicroBacter Start XLF for freshwater or saltwater?
MicroBacter Start XLF is the freshwater version. Brightwell also makes MicroBacter Start XLM for marine and saltwater aquariums.
Can I use MicroBacter Start XLF to cycle a new tank?
Yes. It is designed to help start the biological filter in new freshwater aquariums. For fishless cycling, it pairs well with Brightwell MicroBacter QuikCycl as the ammonia source.
Do I still need to test my water?
Yes. Always test ammonia, nitrite, and nitrate while cycling. Do not add livestock until ammonia and nitrite are consistently reading zero.
Can I use MicroBacter Start XLF with fish in the tank?
Follow the bottle directions carefully. For the safest start, fishless cycling is preferred because it allows the biological filter to establish before livestock are added.
Is MicroBacter Start XLF safe for shrimp and plants?
It is designed for freshwater aquariums and can be used in planted tanks and shrimp setups when used as directed.
What should I use with MicroBacter Start XLF?
For new tanks, pair it with dechlorinator, water test kits, filter media, and Brightwell MicroBacter QuikCycl for fishless cycling.
How do I know when my tank is cycled?
Your aquarium is generally cycled when ammonia and nitrite test at zero and nitrate is present. Continue monitoring water quality before adding sensitive fish or shrimp.
Important Note
This product is intended for ornamental freshwater aquarium use only. Keep out of reach of children. Not for human consumption. Always follow label directions and test aquarium water regularly during cycling.
Explore More Aquarium Products:
Low stock: 3 left
Couldn't load pickup availability
Explore Related Aquarium Products: