ESV Calcium Hydroxide Kalkwasser

Overview

ESV Calcium Hydroxide (Kalkwasser Powder) Calcium Hydroxide is a proven standard for maintaining calcium concentration and alkalinity in closed marine aquaria. The calcium provided is directly used by calcifying organisms, and the hydroxide ions provided readily convert dissolved CO2 into bicarbonate and carbonate ions, which are also directly used by calcifying organisms. ESV's product is extremely pure and meets American Water Works Association and Water Chemical Codex requirements.

Key Features

• Calcium Hydroxide Kalkwasser supports aquarium filtration and water-quality management
• Helps improve clarity by targeting the media function listed in the product name
• Suitable for compatible filter media bags, reactors, or filter chambers
• Useful for routine maintenance or media replacement schedules
• Supports freshwater, marine, or reef systems as directed

Product Specifications

• Brand: ESV
• Product Name: ESV Calcium Hydroxide Kalkwasser
• Product Type: Filter Media
• Size: 4 lb
• SKU: ESV-MEDIA-0000676
• UPC: 898636000000