Description
Seachem Acid Buffer is a phosphate-free pH regulator designed to safely lower and stabilise pH in freshwater aquariums. It is ideal for fish species that prefer acidic to slightly acidic water, helping recreate natural soft-water conditions without introducing phosphates that can contribute to algae growth.
The buffer allows controlled pH adjustment and can be used daily until the desired pH level is reached. It may also be used alongside Seachem Alkaline Buffer for more precise pH management when required.
Specifications
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Product Type: Freshwater pH buffer
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Function: Lowers and stabilises pH
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Formula: Phosphate-free
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Dose Rate: 1 g per 80 litres of aquarium water
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Suitable For: Freshwater aquariums only
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Target Use: Acidic / soft-water environments
Available Sizes & Packaging:
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70 g – Boxes of 25
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600 g – Boxes of 12
Key Features
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Safely lowers pH in freshwater aquariums
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Helps maintain stable acidic water conditions
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Phosphate-free formula to reduce algae risk
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Suitable for soft-water and acid-loving species
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Allows gradual and controlled pH adjustment
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Compatible with Seachem Alkaline Buffer for fine pH tuning
Dosage & Use
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Standard Dosage: 1 g (≈ ¼ teaspoon) per 80 litres
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Can be dosed daily until the desired pH is achieved
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Dissolve before adding or add directly to high-flow areas
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Monitor pH regularly using a reliable test kit


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