Seachem Malawi/Victoria Buffer 300g
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Malawi/Victoria Buffer is a blend of carbonate salts designed to enhance the natural environment of cichlids by increasing carbonate hardness, buffer capacity, and pH. It is formulated to maintain a pH of 7.8-8.4.
Product Features
- Buffers to pH of 7.8-8.4
- Raises KH as well as pH
- Will not affect GH
Directions
Use 6g (one level teaspoon) for each 40 to 80L (10 to 20 US gallons) of water each day until desired pH is attained and maintained. Thereafter, use as required to maintain pH, usually no more than once every two to three weeks.
| Specification | Value |
|---|---|
| Product Type | Buffer |
| Formulation | Carbonate salts |
| Target pH Range | 7.8–8.4 |
| Effect on KH | Raises KH |
| Effect on GH | Does not affect GH |
| Usage Frequency | As needed; typically once every 2–3 weeks after stabilization |
| Package Size | 300g |
FAQ
What is the recommended dosage for maintaining pH in a 50L aquarium?
Use 6g (one level teaspoon) per 40 to 80L of water. For a 50L tank, this would be approximately one level teaspoon per day until pH is stabilized, then reduce to every two to three weeks as needed.
Does this product affect general hardness (GH) of the water?
No, Malawi/Victoria Buffer does not affect general hardness (GH). It only increases carbonate hardness (KH) and stabilizes pH between 7.8 and 8.4.
Can this buffer be used in tanks with other fish species besides cichlids?
While formulated for cichlids, it can be used in other freshwater tanks where a stable pH between 7.8 and 8.4 is desired. Always monitor water parameters before and after use.

Alan Henderson –
Used this buffer for my Malawi cichlid tank. The pH stabilized quickly and stayed consistent. No fluctuations even after water changes. Easy to measure and effective. Would recommend for cichlid keepers.
Penelope Piper –
Good product for maintaining stable pH. Took a few days to reach target level, but once there, it held steady. No issues with GH or water chemistry. Slightly more expensive than other buffers, but worth it for the results.
Thomas Parsons –
My tank had pH swings every few days. After adding Malawi/Victoria Buffer, the pH stayed between 8.0 and 8.2 consistently. No need to adjust water frequently. Simple to use and reliable.
Felicity Simpson –
Works well for maintaining pH in a 60L tank. Used once a week after initial setup. The KH increased slightly, which helped buffer against daily changes. No side effects observed.