Brightwell Aquatics - Alkalin8.3 Concentrated KH Buffer Supplement - for All Marine Fish and Reef Aquaria - Aquarium Water Treatments, 17 fl ozBrand: Brightwell Aquatics Features: AUTOMATIC PH REGULATION The Alkalin8. 3 Concentrated KH Buffer Supplement is a multi component automatic buffer that elevates alkalinity and adjusts pH to 8. 3, providing stability for aquarium environments ELIMINATES INSTABILITIES The aquarium buffer effectively eliminates pH and KH instability caused by poor salt mixes and ineffective buffering products. Simultaneously, it raises alkalinity to ensure a