Achieve the desired water chemistry for your freshwater aquarium with Seachem Acid Buffer, a phosphate-free acid buffer designed to lower pH and reduce carbonate alkalinity (KH). When used correctly, it helps aquarists adjust water conditions to suit fish and aquatic environments that prefer softer, more acidic water.
Ideal for freshwater aquariums, Acid Buffer can be used on its own or alongside Seachem Alkaline Buffer to help establish a target pH and maintain suitable water parameters.
Lowers pH: Helps reduce aquarium water pH according to dosage and existing water chemistry.
Reduces carbonate alkalinity: Lowers KH to help adjust buffering capacity.
Phosphate-free formula: Does not introduce phosphate-based buffering agents.
Supports soft-water setups: Useful for aquariums requiring lower pH and carbonate hardness.
Works with Alkaline Buffer: Can be combined with Seachem Alkaline Buffer to help achieve a desired pH.
Suitable for freshwater aquariums: Ideal for aquarists managing specific water chemistry requirements.
Convenient powder formula: Allows measured dosing to adjust water parameters.
Starting dosage: Follow the manufacturer's dosing chart according to your aquarium's volume, current KH and target pH.
Dissolve the required amount in water before adding it to the aquarium.
Test pH and KH before and after dosing.
Make adjustments gradually to avoid sudden changes that may stress fish and invertebrates.
For best results, adjust new water separately before adding it to an established aquarium.
Brand: Seachem
Product: Acid Buffer
Category: Aquarium acid buffer
Primary function: Lowers pH and carbonate alkalinity (KH)
Suitable for: Freshwater aquariums
Form: Powder
Seachem Acid Buffer is a useful tool for aquarists looking to fine-tune water chemistry for soft-water fish and specialised freshwater setups. Used carefully alongside regular water testing, it helps provide greater control over pH and carbonate hardness.
Important: Lowering KH can make pH less stable and more susceptible to fluctuations. Always monitor water parameters closely and ensure the resulting conditions are suitable for your aquarium's inhabitants.


