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, 125 ml

Product ID: 36788255

Details

Brand
Brightwell
Item Form
Liquid
Item Weight
5.12 ounces
Liquid Volume
125 ml
Unit Count
1 Count

🌿supports marine & freshwater aquariums

💧reduces ammonia, nitrite & nitrate

🦠125 ml advanced microbial formula

$52.13

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Description

🧬 Elevate your aquarium’s ecosystem with science-backed clarity and vitality!

MADE IN THE USA - Premium quality and innovation from a trusted American brand elevating your aquarium’s vibrancy.
MICROBIAL MASTERY - Harnesses a complex blend of aerobic & anaerobic bacteria for superior filtration.
CRYSTAL CLEAR WATER - Significantly reduces harmful compounds like ammonia, nitrite, nitrate, and phosphate for pristine clarity.
SCIENTIFICALLY PROVEN - Veterinarian pathologist tested formula guarantees reliable and safe water conditioning.
DUAL ECOSYSTEM SUPPORT - Optimized for both freshwater and marine aquariums, ensuring versatile aquatic health.

Brightwell Aquatics MicroBacter7 is a 125 ml liquid bioculture aid featuring a scientifically advanced microbial formula that accelerates nitrification, denitrification, and organic waste breakdown. Designed for both freshwater and marine aquariums, it reduces toxic compounds like ammonia, nitrite, nitrate, phosphate, and hydrogen sulfide, promoting a cleaner, healthier aquatic environment. Made in the USA and veterinarian pathologist tested, it ensures reliable biological filtration and enhanced water quality for thriving aquatic life.

Specifications

ASIN	B01DBC0GD4
Allergen Information	Sulphites Free
Best Sellers Rank	#6,376 in Pet Supplies ( See Top 100 in Pet Supplies ) #163 in Aquarium Filter Accessories
Brand	Brightwell Aquatics
Brand Name	Brightwell Aquatics
Customer Reviews	4.7 out of 5 stars 3,510 Reviews
Global Trade Identification Number	00810086014996
Included Components	MicroBacter7
Item Form	Liquid
Item Type Name	Aquarium Bacteria
Item Weight	5.12 ounces
Liquid Volume	125 ml
Manufacturer	Brightwell Aquatics
Manufacturer Part Number	BAC125
Model Number	BAC125
Number of Items	1
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	810086014996
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$52.13

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Good experience, but the tracking updates could be better.

2 months ago

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Great price for an authentic product. Fast international shipping too!

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