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AlanM

President Emeritus
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Posts posted by AlanM

  1. Our speaker for this meeting has changed!

     

    Joe has a medical emergency that makes him unable to be with us this Saturday, but we will still have a speaker at the meeting.  We have been wanting to have Jim Graham @telegraham on WAMAS speak to the club for a while, and he was available to speak to us this Saturday.  His bio has been updated in the top post.  

     

    His topic will be "Backup Power and Disaster Preparedness" which is very relevant to everyone in the club.  I'm excited to hear from him and to get lots of great ideas.  He's inventive and has  fun YouTube and Instagram channels with a bunch of examples of ways to take some of the risk out of your reefkeeping on a budget.

  2. Good grief.  This is too bad.  I guess it must be velvet, but no outward signs on the fish is really troubling.  Maybe someone who knows more about fish disease possibilities can chime in here.  I'd think the tang would be first to go, not the others.

  3. This is a bit out of left field, but I'm a fan of making stands out of 3/4" plywood rather than 2x4 or other pre-sized lumber intended for framing.  Plywood is more dimensionally stable with less risk of a collapse from racking to the side if there's a sideways force applied to the top accidentally.  Yours looks like it will be very solid, but plywood does have the advantage of leaving lots of room in the stand for things if you need it.

     

    Here were some build pics of the one I made for my 75g tank at the time showing how the pieces fit together.

     

     

  4. Tank is going well.  I'll try to get some good pictures soon.  

     

    Posted here because I'm planning a switch from dosing 2-part BRS sodium carbonate and calcium chloride from my Neptune Dos.  Instead I'll use the DOS to do kalk through an Avast stirrer.  Maybe I'll use the second DOS head for top-off. 

     

    The kalk will keep the pH up by consuming CO2 in the tank water and will also supply calcium and carbonate ions in equal proportions.  This isn't always ideal because alkalinity also gets consumed by things in the tank that aren't coral, so it can cause the calcium to keep increasing if you're dosing kalk mostly for alkalinity.  I'll have to keep an eye on it.  May end up dosing less kalk if it's making the calcium go way up and keep dosing a little bit of sodium carbonate.

     

    Given my small alkalinity consumption it looks like I only need 0.8 liters of concentrated kalkwasser per day.  I tend to evaporate a little over 2 liters per day, so I'll still need a separate ATO.

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