Brightwell Aquatics MicroBacter Start XLF - 15x concentrate starter
Concentrated freshwater nitrifying bacteria for quick biological filtration. Accelerates tank cycling and supports high-density aquariums; shrimp safe. Customer note: effective for boosting beneficial bacteria and cycling, with mixed comments on water clarity
Highlights
- 15x concentrated blend
- rapid water cycling (5-7 days)
- non-pathogenic live microbes
Pros
- high-density bacterial blend
- quick start for new tanks
- shrimp safe
- reduces ammonia and nitrite levels
- supports population density
Cons
- mixed reviews on water clarity
- some users feel price is high
- ammonia reduction results vary
Best For
Features
- 15x concentrated blend to jumpstart biological filtration in freshwater tanks
- Speeds ammonia/nitrite reduction and supports population density for high-density aquariums
- Fast-acting, shrimp-safe bacteria reach stable nitrifying populations in 5-7 days
- Compatible with various sand and rock substrates; suitable after tank cleaning or medication use
- Made in the USA by Brightwell Aquatics, long shelf life at room temperature