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Deltec Hydrogen Stirrers

Aquatics Catalogue November 2008

Pond Catalogue
September 2008

T: 01322-351673
F: 01322-345242

Kalkwasser Stirrers

Kalkwasser is the German word for limewater - a solution made by dissolving Calcium Hydroxide in water. The resultant fresh alkaline solution has a pH of 12.4 and contains a ready supply of both calcium ions and carbonate ions, both of which are useful to the aquarist as calcium ions are available to corals and carbonate ions help to buffer the pH.

An added benefit is that kalkwasser also precipitates phosphates from the water. If the evaporated water loss is replaced with kalkwasser then it will add calcium and offer the other benefits described above.

Unfortunately fresh Kalkwasser is unstable and reacts with CO2 in the air, rapidly diminishing in the level of free calcium. For this reason it is necessary to make a fresh solution continually and keep it away from the atmosphere.

This is where the Kalkwasser stirrer comes in to play as it continuously produces fresh saturated solution to replace the used mix.

Please note that great care must be taken when administering Kalk due to the affect it has on the ph of the aquarium.

Deltec KM 500 Kalkwasser Stirrer (Saltwater Aquariums only)

Capacity: approx. 5Ltrs of Kalkwasser per hour

For Aquariums up to 1000Ltr (222gals)

Deltec KM 500S Kalkwasser Stirrer (Saltwater Aquariums only)

Capacity: approx. 10Ltrs of Kalkwasser per hour

For Aquariums up to 5000Ltr (1111gals)

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Updated 18/11/2008