Kalk Reactors, Stirrers & Dosers: How do you add Kalk to your reef?

BRS

What method or equipment do you use to dose Kalk in your reef aquarium?

  • Dosing Pump and bucket

    Votes: 83 23.3%
  • Magnetic Mixing Reactor

    Votes: 18 5.1%
  • Kalk Stirrer

    Votes: 77 21.6%
  • Do Not Add Kalk

    Votes: 150 42.1%
  • Other (please explain)

    Votes: 28 7.9%

  • Total voters
    356

Bob Lauson

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I made my own 5 Gallon kalk reactor made with a piece of 12” diameter PVC and a custom made stirrer that’s also PVC and acrylic driven by a small motor. About every 45 days or so I add about 1-1/2 cups of kalk and I dose it based on pH. The Kalk stirrer starts 30 seconds prior to the starting the dosing pump. With that much Kalk, the stirrer is critical to keep the Kalk suspended in the water column. I use 2 pH probes to monitor pH in case one fails. I dose to get a target pH - usually 8.25 to 8.35. If my alkalinity is low I boost the range up to 8.30 to 8.40. I’ve been using this technic for over 5 years with no issues.
 
BRS

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