Seachem Reef Kalkwasser — Calcium Hydroxide Supplement for Reef Aquariums (500g)

Seachem Reef Kalkwasser — Premium Calcium Hydroxide for Reef Aquariums

Seachem Reef Kalkwasser is a high-purity calcium hydroxide supplement designed to maintain calcium and alkalinity in reef aquariums. It helps stabilize pH while supporting the skeletal growth of stony corals, clams, and other reef-building organisms.

Key Benefits

• Raises calcium & alkalinity: Provides essential minerals for coral skeletal development.
• Maintains pH stability: Prevents fluctuations and supports a healthy reef environment.
• Supports coral growth: Promotes strong skeletal structure in SPS and LPS corals.
• High purity formula: Safe and effective calcium hydroxide for marine aquariums.
• Trusted brand: Seachem is globally recognized for advanced reef care solutions.

Usage Instructions

• Mix Reef Kalkwasser with freshwater to create a saturated solution.
• Add slowly to the aquarium to avoid rapid pH changes.
• Monitor calcium (380–450 ppm) and alkalinity (8–12 dKH) levels regularly.
• Safe for all reef aquariums when used as directed.

Maintain balanced reef chemistry and vibrant coral growth with Seachem Reef Kalkwasser — the reliable calcium hydroxide supplement for marine aquarists.