MicroBacter Start XLM
Product ID: 186340323
Details
- BrandBrightwell
- Item FormLiquid
- Item Weight4.97 ounces
- Liquid Volume125 ml
- Unit Count1 Count
⚡15x concentrated power
🧪reduces ammonia & nitrite spikes
⏱️cycles tank in 7 days
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⚡ Cycle faster, thrive longer — your marine tank’s secret weapon!
Brightwell Aquatics MicroBacter Start XLM is a 125 ml, 15x concentrated liquid bacterial supplement designed to rapidly establish and maintain biological filtration in marine and brackish aquariums. It accelerates nitrifying bacteria colonization, cycling tanks in as little as 7 days, while effectively reducing harmful ammonia and nitrite levels. Ideal for new setups, high-density tanks, and post-medication recovery, this shelf-stable, American-made formula ensures a stable, healthy aquatic environment for your fish.
| ASIN | B083W4N1T3 |
| Allergen Information | Sulphites Free |
| Best Sellers Rank | #24,108 in Pet Supplies ( See Top 100 in Pet Supplies ) #199 in Aquarium Water Treatments |
| Brand | Brightwell Aquatics |
| Brand Name | Brightwell Aquatics |
| Customer Reviews | 4.5 out of 5 stars 869 Reviews |
| Global Trade Identification Number | 00810086019502 |
| Included Components | MicroBacterStart XLM |
| Item Form | Liquid |
| Item Type Name | Aquarium Bacteria |
| Item Weight | 4.97 ounces |
| Liquid Volume | 125 ml |
| Manufacturer | Brightwell Aquatics |
| Manufacturer Part Number | BACSTARTXLM125 |
| Model Number | BACSTARTXLM125 |
| Number of Items | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 810086019502 |
| Unit Count | 1 Count |
R**R
Great product for saltwater fish!
Helps cycle your tank, with saltwater fish aquarium. Good for starting up new tanks & anytime you do a water change, it helps keep the bio load good.
M**W
Great
This will always be my go-to from now on. Works like a charm
R**Y
Works great for the saltwater tank
Easy to use!
C**A
Worked really well. I fishless cycled a marine tank in about 2 weeks
I fed liquid ammonia to the tank (there are dedicated products you can buy). With this it was easy to cycle ammonia to nitrates. I tested the water every 2 days and then re-dosed. The size I bought was enough to continue dosing every 2 days until it cycled. I also had dry rock and live sand, so that could've helped with the speed. Overall, much faster than my freshwater aquariums compared to other brands.
T**.
Help the tank cycle fast
This is a great product I used to start my nano reef aquarium my tank cycle in 10 days with living sand and a couple pieces of live rock. I highly recommend this for anyone starting a new tank
S**T
Corals love it
Water quality suffered alittle but corals loved it
M**.
It just works
I used this product to speed up my fish tank cycle. It did a good job and dropped Amonia to zero really quick
L**S
Very good for water quality
Keeps the tank in good shape
D**.
Does Not Work
Followed all instructions (dry sand, Marco rock etc together with Rapid Cycle from Brightwell) but after four weeks NH3 was still 0.05ppm and Nitrate was only 5ppm. Tank has not cycled in 1 month let alone their claimed 7 days. Have now given up with Brightwell - added live sand and rock and Dr Tims. Hopefully this will work.
Trustpilot
3 weeks ago
1 week ago