Controlled reef chemistry starts with the right dose. Compare concentration, use case, and guidance before you add anything.

Reef Charge  |  SKU: RC-KALK-600

Kalkwasser

Regular price $14.99

Size

Pickup available at New Dawn Aquaculture

Usually ready in 1 hour

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.

Parameter-first reef chemistry

Use the product, the calculator, and the next correction step as one compact dosing workflow.

Reef Charge product pages should communicate chemistry role before brand flourish. Keep concentration, use case, dosing logic, and cautions easy to scan so reefkeepers can act with confidence.

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Chemistry role and concentration

Make the parameter role and strength obvious first so the shopper understands what the product is actually correcting or maintaining.

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Dose with pacing

Keep safe correction rhythm, tank volume context, and practical dosing logic easy to reach without slowing the sale.

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Retest and stabilize

Frame the product as one part of a broader reef chemistry routine that moves from adjustment into maintenance.

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Keep compatibility visible

Use support content to clarify how trace, nutrient, and maintenance decisions relate instead of burying them in generic marketing copy.

Reef chemistry guides
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Reef Charge Dosing Calculator

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