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- Brightwell Aquatics Alkalin8.3-P KH Buffer, 500 grams is a highly-effective alkalinity-increasing (”buffer”) powdered
blend for all marine and reef aquaria - Helps increase pH stability in an aquarium by raising the
alkalinity; continued addition raises pH until 8.3 is reached, at
which point the pH remains unchanged and the alkalinity
alone increases - Provides a source of carbonates, which make up the majority
by weight of aragonite, the mineral secreted by reef-building
organisms as skeletal material - Formulated by a marine scientist
- Alkalinity, also referred to as carbonate hardness or buffering capacity, is essentially a means of quantifying the stability of pH in a solution, such as aquarium water. In an aquarium, weak acids formed by oxygen respiration and the decomposition of organic material gradually deplete alkalinity. If left unchecked, the alkalinity drops below a critical level and pH begins to fluctuate more wildly than is normally suggested (a daily pH shift of +/-0.2 is normal in marine aquaria), causing stress to livestock. Alkalinity is also depleted by reef-building organisms during the production of aragonite (~60% carbonates by weight), and is therefore very important for their rapid growth. Maintaining the alkalinity in marine aquaria between 7 - 12 dKH (2.5 - 4.3 meq/L) will generally maintain pH within the desired range.
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