






⚡ Transform your aquarium’s ecosystem at lightning speed!
Brightwell Aquatics MicroBacterStart XLF is a 15X concentrated live bacterial suspension designed to rapidly establish and maintain nitrifying bacteria in freshwater aquariums. It accelerates the nitrogen cycle, typically cycling tanks within 5-7 days, prevents toxic ammonia and nitrite spikes, and supports high-density fish populations. Ideal for new setups, post-cleaning recovery, and after medication use, this American-made formula ensures long-lasting biological filtration for a healthy aquatic environment.




| Package Dimensions | 12.19 x 3.91 x 3.71 cm; 140.89 g |
| Item model number | BACSTARTXLF125 |
| Item Form | Liquid |
| Size | 125-ml |
| Quantity | 1 |
| batteries required | No |
| Item Weight | 141 g |
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