Seachem Alkaline Buffer 1.2kg / 2.6lb
Alkaline Buffer is a non-phosphate buffer to raise pH and alkalinity (KH) and buffer with Acid Buffer. These buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem. Alkaline Buffer raises pH and buffers between 7.2 and 8.5. It is gentle, safe, and enhances the freshwater environment.
Sold in quantity of: 1
Product Specifications
| Parameter | Value |
|---|---|
| Form | Granular |
| Weight | 1.2kg (2.6lb) |
| Function | Raise pH and alkalinity (KH); buffers pH between 7.2 and 8.5 |
| Compatibility | Planted aquariums, hard water systems |
| Phosphate Content | Non-phosphate |
FAQ
What is the pH range that Alkaline Buffer can maintain?
Alkaline Buffer maintains pH between 7.2 and 8.5.
Can this product be used in planted aquariums?
Yes, it is specifically designed for planted aquariums and hard water conditions.
Is this buffer safe for fish and aquatic life?
Yes, it is gentle and safe for freshwater environments.

Jack Slater –
Used this buffer in my planted tank for several months. The pH stabilized well without causing algae issues. No cloudiness, and my plants stayed healthy. Easy to dose and effective.
Christopher Graham –
Good product for raising alkalinity in hard water. Works smoothly with my existing setup. I didn’t notice any side effects on fish or plants after regular use.
Trevor Hudson –
Switched from a phosphate-based buffer after seeing algae growth. This non-phosphate version has made a clear difference. pH stays steady and water clarity improved.