Will this keep the ph at 7.0

Yes and no. Seachem has three products, the acid buffer, alkaline buffer, and neutral regulator. Neutral regulator is phosphate based so be careful using in planted tank. However, if that is not a concern than neutral regulator is probably more what you are looking for to keep pH at 7.0. There are very specific instructions as to how to use all three to get the desired pH for what your fish prefers. It also depends on the hardness of your water. I use acid buffer to maintain pH below 7.0 as that is what my shrimp prefers. That being said, however you adjust it, do it slowly. Fish don’t do well with big swings.

What kind of acid is the ingredient? Is it citric acid?

No! It is a sulphate salt that will not increase the phosphates in your planted aquarium. It is less stable meaning that has a shorter life in contrast to the phosphate salts but it helps you reach the lower pH with no problems. Remember to do pH changes gradually to avoid stressing (killing) your fish. It is excellent for planted aquariums.

My local tap water is above 8.4ph according to my tests. How would I properly use this product for water changes and the intial treatment of my tank?

Pour a measured amount, ie 1 gallon in a pitcher and add a teaspoon of acid buffer, mix and measure pH. The once a recipe is known to convert tap water pH to desire levels, then scale up in your tank

My tap has a ridiculously high kh, if i use this will it remove kh indefinitely w/o need to dose the tank again just replacement waterduringh20change?

You will need to continuously dose in order to maintain it.

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Seachem Acid Buffer 300gram

Product ID: 264079348

Details

Brand
Seachem
Item form
Granules
Item weight
11.2 Ounces
Liquid volume
300
Number of Packs
1

🌿Converts alkalinity into bioavailable CO2

📉Precisely lowers pH between 5.0 and 8.0

⚖️Non-phosphate formula for algae-free clarity

KD 7.22

Duties & taxes included

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Description

🌊 Master your aquarium’s pH balance like a pro — clarity and growth guaranteed!

BOOSTS PLANT GROWTH - Transforms carbonate alkalinity into CO2, fueling lush aquatic plant life naturally.
PRECISION P H CONTROL - Effectively lowers and stabilizes pH in the ideal 5.0-8.0 range for planted and marine aquariums.
ALGAE FREE AQUARIUM CLARITY - Non-phosphate buffering avoids algae blooms and water cloudiness, keeping your tank pristine.
VERSATILE FOR FRESH AND MARINE TANKS - Safely adjusts pH in both freshwater and marine environments, perfect for diverse aquatic setups.
MADE IN THE USA WITH QUALITY ASSURANCE - Crafted by Seachem Laboratories, ensuring premium performance and safety.

Seachem Acid Buffer is a 300g non-phosphate granular buffer designed to precisely lower and stabilize aquarium pH between 5.0 and 8.0. It converts carbonate alkalinity into bioavailable CO2, promoting healthy plant growth while preventing algae and cloudiness. Manufactured in the USA, it’s ideal for both planted freshwater and marine tanks seeking optimal water chemistry.

Specifications

ASIN	B00029PO6Y
Allergen Information	Yam Free
Brand Name	Seachem
Customer Reviews	4.7 4.7 out of 5 stars (973)
Global Trade Identification Number	00000116024600
Included Components	all
Item Form	Granules, Powder
Item Type Name	Aquarium Conditioner
Item Weight	11.2 Ounces
Liquid Volume	300 Milliliters
Manufacturer	Seachem Laboratories, Inc.
Manufacturer Part Number	75194
Model Number	19210
Number of Items	1
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	000116024600 015568976872
Unit Count	1 Grams

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