Kalkwasser (Calcium Hydroxide)
By Bulk/Generic · Hybrid Systems
Specs
ManufacturerBulk/Generic
CategoryHybrid Systems
FormPowder
Affected parametersCalcium, Alkalinity, pH
Recommended frequencyContinuously (via ATO/drip, monitor)
About Kalkwasser (Calcium Hydroxide)
The classic method for maintaining Calcium and Alkalinity. Boosts pH significantly, helping to increase coral growth rates.
Dosing instructions
Calcium Hydroxide (Ca(OH)₂). Dissolve in RO/DI (e.g., ½–2 tsp/gallon). Administer slowly via drip or ATO. Raises Ca, Alk (balanced), and pH. Precipitates phosphate. Requires careful monitoring to avoid pH spikes or Ca/Alk precipitation.
Reef-keeper notes
Supplies Calcium and Alkalinity in a balanced ratio, raises pH. Requires careful monitoring.
Where to buy
Log Kalkwasser (Calcium Hydroxide) in your reef dosing plan
Reef Trak's dosing module schedules and logs every dose of Kalkwasser (Calcium Hydroxide) alongside your parameters. The built-in dose impact calculation uses the manufacturer's specs so you know exactly how each dose will move your parameters.