calcium

  1. pmaddox

    Alkalinity dropping all the time, yet calcium etc. holding

    For some time now i've experienced a constant drop of my Alkalinity although my Calcium and Magnesium do not drop remotely as fast. It's perplexing. Does anyone have experience or insight as to what could be causing this?
  2. MarineDepot

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  3. D

    24 hour 2 part dosing?

    My current 2-part dosing schedule splits Alkalinity and Calcium into 2 separate times utilizing the Reeftronics program generator to program my Apex and BRS 1.1 mL peristaltic pumps. I dose 60ml of Alkalinity over the course of 12 hours from midnight to 1200 - my logic being to help buffer the...
  4. MarineDepot

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  5. cwb_reeftank

    calcium level

    ok I tested my calcium on Monday and it was at 390. I tested it today and it was at 410 and I have not put anything in my tank to raise it. I was wondering what would cause it to do that?
  6. Squirrel_reefer

    Time to dose Nitrate?

    Good evening reefers Test results as of tonight 12/15/16: SG: 1.025 Nitrate: 0 ppm Phos: 0 ppm Ammonia: 0 ppm Calc: 400 ppm DkH: 12-13 So I am currently dosing Kent Purple Tech to bring up my calcium levels. I am hoping that the high DkH is being caused by that, I am not sure what else could...
  7. Redbarnreefer

    Another CA test gone bad

    I've read about others experiencing this but didn't give it much thought as I go through my tests well before their expiration date. My "old" -- less than 1 yr -- was off by 170 ppm. It was giving me a reading of 400 when I was really closer to 570. That got me to thinking, how many have...
  8. Surferpat

    Dosing help!

    My favorite most helpful LFS closed and I'm having some issues with dosing calcium and alkalinity on my own! I dose a 2 part daily in my reef tank. My alkalinity is at 8.5 dKH (right where I want it) but my calcium blew up to over 500 ppm! I need to lower my calcium (I'd like to hit the 400...
  9. haleyf1024

    Looking for Hanna Checkers!

    I'm in the market for Hanna Checkers. Looking mainly for the phosphate, alkalinity, and calcium. Looking to spend around $30 shipped (each) for them or less if possible. Let me know what you have and your prices!
  10. Matthias Gross

    ProfiLux and monitoring Alkalinity and other things ...

    Hi with the announcement of the P4 we also mentioned that Alkalinity and measurement of other parameters (e.g. Ca) are coming soon. Personally I didn't expect that much of feedback and interest in these planned new features for the ProfiLux, actually I wasn't aware that this is something...
  11. kennedpa

    Ultimate Phosphate and energy control? Potassium Nitrate or Calcium Nitrate Dosing with NoPOx Carbon

    Let the reef science begin, We have been reefing for a few years now with a 10 month break due to moving. Always for the longest time we have had phosphate control issues with difficulty in obtaining a nitrate level despite heavy feedings. Some have dosed nitrates in various forms along with...
  12. jason2459

    Saltmix Parameters bring on the test results

    There was an excellent thread put together quite some time ago now by Billybeau1 and hilgert. I've referred to it may times to see if someone is close to the expected values of a particular saltmix. There can of course be slight variations and if any settling has occurred in the mix before use...
  13. The Many Methods for Supplementing Calcium and Alkalinity

    The Many Methods for Supplementing Calcium and Alkalinity

    There is no aspect of reef aquarium chemistry more important than calcium and alkalinity. Many of my previous articles have described various aspects of these systems in detail. In reading those articles, aquarists will note one pervasive theme: that maintaining appropriate levels of each are...
    • Randy Holmes-Farley
    • Article
    • 29 min read
    • 2-part alk alkalinity balling method cal calcium randy holmes-farley reef chemistry reef tank saltwater aqarium
    • Category: Reef Chemistry
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