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Alaska_Phil

Kent Liquid Calcium?

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9 Comments
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Alaska_Phil
, 04-26-2010 at 05:20 PM (2444 Views)
Does anyone know how much I need to use to raise the Ca in a 50 Gal system by 50ppm? The directions on the bottle only say to use up to 5ml per 50 gal per day, but don't say what the result is.

I started paying much closer attention to my tank parameters since I added an SPS a few weeks back. It's doing well and showing noticable growth. But my kalk top off isn't keeping up with Calcium demand since I started dosing baking soda to keep my Alk up at 8.0 or higher. I'll be switching to straight RO/DI for top off soon and using a 2 part dosing system, but in the mean time I've got to use what I've got.

Thanks

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Categories
‎ NEED HELP STAT! , ‎ Water Chemistry

Comments

  1. Mr.X-Ray's Avatar
    I use to dose ~triple to keep up. Check you parameters after about an hour and adjust as needed. I switched to Kalk for awhile. If you wanna try to dose Kalk. I have a big container of brand new Kent stuff ~marine depot price you can take (no shipping of course). Travel to much so now I have a new Ca reactor coming. Will be back from the slope end of this week. pm me.
  2. sailfintang's Avatar
    There should be reef calculators on the web to help you find that information out. You need to figure out how much water you have in place after subtracting the volume your sand and rock take up then dose accordingly. Click the hippe link and you will find what you need.
  3. Alaska_Phil's Avatar
    Mr. X-Ray: Thanks, I'm currently using Kalk in my top off water, so I'd be happy to get that from you. However, to raise the Ca the amount I need would require 3 gal of solution.

    Sailfintank: Thanks, that's an awesome link! Looks like I need to add 2.8oz of the Liquid Ca.
  4. melev's Avatar
    Did someone say SPS? Whatcha got?
  5. Alaska_Phil's Avatar
    Just a little brown Monti Digitata, though the growth tips are taking on a faint purple coloration. I'll try to post some pictures later tonight. Though don't expect much, my little Coolpix 220S is nothing compared to someone's new D90
  6. Alaska_Phil's Avatar
    OK, 5pm I'm off to test the parameters and dose it up!
  7. Alaska_Phil's Avatar
    Alk at 8.0 and Ca at 390ppm, so I dosed 2.5mg of baking soda and 70ml of Liquid Ca, will have to test again tomorrow and see how it looks.
  8. melev's Avatar
    Be sure to keep up with that testing until you know precisely what numbers work best for your setup.
  9. Alaska_Phil's Avatar
    I know one thing for certain, my toadstool leather is always much happier when the Alk is at least 7.5. Up until I started keeping the Alk at 8.0 or higher my Ca always stayed above 400 just from the kalk in the top off water. Of course when I add the sump in a couple weeks the evaporation rate will change and I'll be back to square one again. Part of the reason I want to end the kalk top off and just use a straight 2 part. That way the dosing shouldn't be affected by the evaporation rate.