<h2>Brightwell Aquatics - Alkalin 8.3-P Dry PH Buffer</h2><p>Highly effective alkalinity-increasing ("buffer") powdered blend.</p><p>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.</p><p>Provides a source of carbonates, which make up the majority by weight of aragonite, the mineral secreted by reef-building organisms as skeletal material.</p><ul><li>44 lb</li></ul>