Brightwell MicroBacter Starter XML 500ml Salifert Basic: For the first 2

Basic: For the first 2 weeks of use

The noise reduction is nothing short of remarkable

Flow Rate: 740 GPH

and more primitive life forms (such as sponges) have been around still longer

Brightwell MicroBacter Starter XML 500ml Salifert Basic: For the first 2MicrBacter Start XLM 15X creates a nitrifying biological filter in marine & brackish aquaria of all types and is particularly useful for new startups, resulting in cycling in about 5 to 7 days in most cases. It quickly removes toxic ammonia and nitrite naturally through non pathogenic nitrifying bacterial action. Even though this product is extremely potent, it may be overdosed at up to 5 times the rated dosage during aquarium upsets. It should be