Can we add this to an existing reef with slightly elevated ammonia?

If by existing you mean live stock in it? Yes, and if you mean no stock but ammonia, yes again. You might be better off doing a water change if you have life in tank though. If you dose this you will have to monitor nitrite and nitrate cycles.

Im new...will this kill off my invert food sources or hurt them in any way?

It will not kill your invert food source. It’s bacteria that’s beneficial to your aquarium

Noob question how much of this do I use on a 32 gallon biocube? It’s a new tank I can’t find any measuring cups for ML anywhere n my town

Once your tank has been fed regularly for a few days either with out without fish to start the bacterial cycle, add half during the first week and the other half during the 2nd. Add a small amount after water changes is also a good idea for upkeep. Buy 2 bottles.

how long did it take for this product to bring down nitrite levels?

I wouldn't use this product as a means of nitrite reduction. Live rock will do a much better job of that. I use this product as a means of adding biodiversity to my tank. It did nothing for nitrate levels.

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Brightwell Aquatics MicroBacter7 Biological Filter Bioculture Aid, 500 ml

Product ID: 7737163

Details

Brand
Brightwell
Item Form
Liquid
Item Weight
16 ounces
Liquid Volume
500 ml
Number of Packs
1

💧Rapid reduction of ammonia & nitrates

🦠7+ aerobic & anaerobic microbes

🇺🇸Proudly made in the USA

₨22584

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Description

🦠 Elevate your aquarium’s ecosystem with microbial magic!

MICROBIAL MASTERY - Harness a complex blend of aerobic and anaerobic bacteria for superior biological filtration.
CRYSTAL CLEAR CLARITY - Accelerate removal of ammonia, nitrites, nitrates, and phosphates to keep your aquarium pristine.
DUAL ECOSYSTEM SUPPORT - Optimized for both freshwater and marine tanks, ensuring versatile aquatic health.
ORGANIC WASTE BREAKDOWN - Boost natural enzymatic degradation to maintain a balanced, toxin-free environment.
TRUSTED AMERICAN QUALITY - Scientifically formulated and veterinarian recommended, made with pride in the USA.

Brightwell Aquatics MicroBacter7 is a 500 ml advanced microbial bioculture designed to enhance aquarium water quality by accelerating nitrification, denitrification, and organic waste breakdown. Suitable for both freshwater and marine tanks, it rapidly reduces harmful compounds like ammonia, nitrites, nitrates, and phosphates while inhibiting undesirable growth. Made in the USA and veterinarian recommended, it ensures a vibrant, healthy aquatic environment.

Specifications

ASIN	B001DKSG9S
ASIN	B001DKSG9S
Allergen Information	Sulphites Free
Best Sellers Rank	#6,111 in Pet Supplies ( See Top 100 in Pet Supplies ) #47 in Aquarium Water Treatments
Brand Name	Brightwell Aquatics
Customer Reviews	4.7 4.7 out of 5 stars (3,500)
Date First Available	June 24, 2004
Global Trade Identification Number	00810086012206
Included Components	MicroBacter7
Item Form	Liquid
Item Type Name	Aquarium Bacteria
Item Weight	16 ounces
Item model number	BAC500
Liquid Volume	500 ml
Manufacturer	Brightwell Aquatics
Manufacturer	Brightwell Aquatics
Manufacturer Part Number	BAC500
Model Number	BAC500
Number of Items	1
Number of Packs	1
Pet Type	Fish
Product Dimensions	2.5 x 2.5 x 6.75 inches; 1 pounds
Target Species	Fish
UPC	611102132522 810086012206 787461534205
Unit Count	1 Count

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₨22584

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

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TrustScore 4.5 | 7,300+ reviews

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