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Aquarium Calcium Reactors & Kalkwasser Stirrers
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Kalkwasser Overview
Calcium Reactor Media

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Calcium Reactors: Reef Octopus
The Reef Octopus Calcium Reactors with VarioS multiple speed pumps meet the challenging task of maintaining alkalinity, calcium and trace elements on a demanding reef system. All models come with PH probe holder (probe and PH controller sold separately) to monitor Ph levels in the main reactor chamber, and also come with built in bubble counters to monitor Co2 drip rates. more info
Calcium Reactors: Tunze
In 1989, Tunze was the first manufacturer to develop a CO2-controlled calcium reactor. A circulation pump is used to pass the water enriched with carbon dioxide through the hardness granulate. The carbon dioxide reacts with water to form carbonic acid which dissolves the calcium carbonate, discharging softened water from the reactor. The Calcium Automat 3171 is suitable for cabinet systems and aquariums up to 317 gallons. more info
Kalkwasser Stirrers & Reactors
Kalkwasser Stirrers stirs kalkwasser so that the calcium carbonate sediment settles at the bottom of the Stirrer while the clear solution of calcium hydroxide is at the outlet where it can be transferred to the tank more info