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 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 67.6 fl oz

Product ID: 286954563

Details

Brand
Brightwell
Item form
Liquid
Item weight
1.13 kg
Liquid volume
1 Litres
Manufacturer
Brightwell

💧2L liquid volume for lasting use

🦠7-strain microbial blend

🇺🇸Proudly made in the USA

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Description

🦠 Elevate your aquarium’s ecosystem with the ultimate microbial boost!

NUTRIENT NINJA - Accelerates nitrification and denitrification while slashing harmful ammonia, nitrite, nitrate, and phosphate levels.
CLARITY CATALYST - Rapidly reduces organic waste and hydrogen sulfide, delivering crystal-clear water that your fish—and guests—will admire.
MICROBIAL MASTERY - Harness a powerful 7-strain aerobic & anaerobic bacteria complex to turbocharge your aquarium’s biological filtration.
DUAL ECOSYSTEM SUPPORT - Optimized for both saltwater and freshwater tanks, ensuring vibrant aquatic life no matter your setup.
TRUSTED AMERICAN QUALITY - Scientifically backed, veterinarian recommended, and crafted in the USA for uncompromising aquarium care.

Brightwell Aquatics MicroBacter7 is a 2-liter advanced bioculture liquid featuring a unique 7-strain blend of aerobic and anaerobic bacteria designed to enhance biological filtration in both freshwater and saltwater aquariums. It accelerates nutrient cycling by promoting nitrification and denitrification, reduces harmful compounds like ammonia and phosphate, and improves water clarity by breaking down organic waste and hydrogen sulfide. Made in the USA and veterinarian recommended, it ensures a healthier, cleaner aquatic environment for thriving fish and plants.

Specifications

ASIN	B00412Z28S
Allergen Information	Sulphites Free
Best Sellers Rank	138,609 in Pet Supplies ( See Top 100 in Pet Supplies ) 1,281 in Aquarium Water Treatments
Brand	Brightwell Aquatics
Brand Name	Brightwell Aquatics
Customer Reviews	4.7 out of 5 stars 355 Reviews
Global Trade Identification Number	00810086012213
Included Components	MicroBacter7
Item Form	Liquid
Item Type Name	Aquarium Bacteria
Item Weight	454 g
Item form	Liquid
Item weight	454 g
Liquid Volume	2 Litres
Liquid volume	2 Litres
Manufacturer	TopDawg Pet Supply
Pet Type	Fish
Target Species	Fish
UPC	810086012213
Unit Count	1 count

Reviews

A**J

Good bacteria supplement !!!

1.09.2017

D**.

Good bacteria liquid

7.01.2024

V**L

Excellent product

6.11.2023

K**G

Good

17.07.2021

I**A

Is very good product 👌

12.02.2024

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