{"product_id":"brightwell-aquatics-microbacter-start-xlf-freshwater-aquarium-starter-500-ml-15x-concentrated","title":"Brightwell Aquatics MicroBacter Start XLF Freshwater Aquarium Starter, 500 ml, 15x Concentrated","description":"\u003cp\u003e\u003cstrong\u003eBrightwell Aquatics MicroBacter Start XLF is a freshwater aquarium starter designed to establish biological filtration in new and existing tanks; this 500 ml formula supports the nitrogen cycle.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e15x concentrated blend — supports biological filtration with a concentrated formula.\u003c\/li\u003e\n\u003cli\u003eCycles tanks in 5–7 days in most cases — helps establish a new aquarium’s nitrogen cycle.\u003c\/li\u003e\n\u003cli\u003eShrimp-safe and suitable for freshwater fish and invertebrates — use it in a range of freshwater setups.\u003c\/li\u003e\n\u003cli\u003eUseful in high-density aquariums and when adding fish — helps support nitrification as aquarium populations change.\u003c\/li\u003e\n\u003cli\u003eMade for use after cleaning or medication — helps re-establish nitrifying bacteria during tank recovery.\u003c\/li\u003e\n\u003cli\u003eProprietary base with a shelf life of over a year at room temperature — supports formula longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStarting a tank, adding fish, or restoring biological filtration after aquarium maintenance can put the nitrogen cycle under pressure. MicroBacter Start XLF supplies live, non-pathogenic microbes that support nitrifying bacteria and biological filtration. It is intended for freshwater aquariums, including live-planted tanks, and is useful both for initial cycling and for re-establishing nitrification in an established aquarium.\u003c\/p\u003e\u003ch3\u003eHow does MicroBacter Start XLF help cycle a freshwater tank?\u003c\/h3\u003e\u003cp\u003eIn most cases, MicroBacter Start XLF cycles a tank in 5–7 days by supporting the population of beneficial nitrifying bacteria. Its microbes help establish biological filtration as part of the aquarium’s nitrogen cycle, supporting water quality and helping reduce ammonia and nitrite spikes. The formula is also designed to break down organic waste and help prevent new tank syndrome.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLive, non-pathogenic microbes support biological filtration.\u003c\/li\u003e\n\u003cli\u003eDesigned to help manage ammonia and nitrite levels.\u003c\/li\u003e\n\u003cli\u003eSupports the breakdown of organic waste.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich freshwater aquariums can use it?\u003c\/h3\u003e\u003cp\u003eMicroBacter Start XLF is suitable for freshwater aquariums with fish or invertebrates, including shrimp and live-planted tanks. Its use is also suited to aquariums with high population densities, where maintaining nitrification is important. The formula is compatible with sand and rock substrates.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor freshwater fish and invertebrate aquariums.\u003c\/li\u003e\n\u003cli\u003eShrimp-safe formulation.\u003c\/li\u003e\n\u003cli\u003eSuitable for live-planted aquariums and sand or rock substrates.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen is it useful in an established aquarium?\u003c\/h3\u003e\u003cp\u003eUse MicroBacter Start XLF when you need to rapidly re-establish nitrifying bacteria, including after cleaning rocks and other surfaces or after medication use. It is also useful when adding fish or responding to an emergency that disrupts biological filtration. These situations can affect the aquarium’s established bacterial population, so the formula supports its recovery.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUseful after cleaning aquarium surfaces.\u003c\/li\u003e\n\u003cli\u003eSupports recovery following medication use.\u003c\/li\u003e\n\u003cli\u003eCan be used when adding fish or restoring nitrification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow is the formula made and stored?\u003c\/h3\u003e\u003cp\u003eMicroBacter Start XLF uses a proprietary base developed for formula longevity, with a shelf life of over a year at room temperature. The blend was formulated using extensive data compiled by microbiologists. Brightwell Aquatics makes this product in the USA.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e500 ml container.\u003c\/li\u003e\n\u003cli\u003eProprietary base for longevity.\u003c\/li\u003e\n\u003cli\u003eMade in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMicroBacter Start XLF is a practical fit for freshwater aquarists establishing a new tank or supporting filtration in a stocked, planted, or recently maintained aquarium. Its concentrated microbial blend is designed to help establish or re-establish biological filtration in freshwater setups.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does Brightwell Aquatics MicroBacter Start XLF take to cycle a tank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Brightwell Aquatics MicroBacter Start XLF typically cycles a freshwater tank in 5–7 days in most cases by supporting nitrifying bacteria.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Brightwell Aquatics MicroBacter Start XLF safe for shrimp?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Brightwell Aquatics MicroBacter Start XLF is shrimp-safe and suitable for freshwater aquariums with fish and invertebrates.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":55675757461847,"sku":"B086Z6DS4M","price":39.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1056\/4780\/0663\/files\/brightwell-microbacter-start-xlf-product-front.jpg?v=1793393661","url":"https:\/\/bathpetsupplies.co.uk\/products\/brightwell-aquatics-microbacter-start-xlf-freshwater-aquarium-starter-500-ml-15x-concentrated","provider":"BathPetSupplies","version":"1.0","type":"link"}