Brightwell Aquatics Alkalin 8.3-P - 500g | Alkalinity & pH Buffer

Brightwell Aquatics Alkalin 8.3-P is a highly effective, multi-component powdered alkalinity buffer formulated to raise alkalinity and stabilize pH in marine and reef aquariums. Unlike single-component KH supplements such as sodium carbonate, this advanced automatic buffer provides far greater stability by regulating pH smoothly and eliminating alkalinity-related fluctuations caused by poor salt mixes or ineffective buffering products.

As alkalinity increases, Alkalin 8.3-P gradually raises pH until it reaches 8.3, at which point pH remains stable while alkalinity alone continues to increase. This controlled buffering action helps prevent harmful pH swings and creates an optimal environment for reef organisms. It also supplies essential carbonates—the primary component of aragonite—supporting strong skeletal growth in corals and other reef-building organisms. Developed by a marine scientist, it delivers consistent and predictable results when used as directed.

Key Features:

• Raises alkalinity and stabilizes pH at 8.3
• Multi-component automatic buffer for superior pH control
• Eliminates KH and pH instability caused by poor buffering systems
• Increases alkalinity without driving pH above 8.3
• Provides essential carbonates for coral skeletal growth
• Highly concentrated powdered formula for accurate dosing
• Formulated by a marine scientist for marine and reef aquariums

Brightwell Aquatics Alkalin 8.3-P 500g is a professional-grade alkalinity buffer designed for reef aquarists who demand long-term pH stability and precise alkalinity control. By preventing sudden pH fluctuations and maintaining optimal buffering capacity, it supports coral growth, biological balance, and overall aquarium health. Ideal for both corrective use and ongoing reef maintenance.