Seachem Alkaline Buffer 300g adjusts pH alkaline (7.2 - 8.5) Fluval Media Nitrite is toxic in large

Nitrite is toxic in large amounts to fish and invertebrates and Nitrate less toxic

With the cubes

The carbon pads are designed to fit the Eheim Classic 250(2213) canister filter

The supplied shut-off taps are rotatable

Seachem Alkaline Buffer 300g adjusts pH alkaline (7.2 - 8.5) Fluval Media Nitrite is toxic in largeDescription: Seachem Alkaline Buffer adjusts pH to the alkaline range (7. 2 8. 5) Alkaline Buffer is a non phosphate buffer designed 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.