Kalkwasser

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Kalkwasser is a highly effective method for maintaining calcium and alkalinity levels in reef aquariums. When dissolved in RODI water, it creates a saturated solution that delivers calcium and hydroxide ions, supporting coral growth and helping to stabilize pH by neutralizing excess CO₂. Used most commonly through auto top-off systems, drip methods, or kalk reactors, kalkwasser offers a simple, reliable, and economical way to maintain consistent water chemistry in reef tanks. Its ability to raise pH and supplement key elements makes it ideal for systems with moderate to high coral demand. Ingredients Pharmaceutical-Grade Calcium Hydroxide (Ca(OH)₂) Storage Store in a cool, dry place with the lid tightly sealed. Keep away from moisture, heat, and direct sunlight. Ensure container remains free of water or condensation to prevent clumping. Safety Information Not for human consumption. Keep out of reach of children. Causes eye and skin irritation. Avoid contact with eyes, skin, or clothing. Show more