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Tumbleweed

PH Level

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by
Tumbleweed
, 04-04-2010 at 09:29 PM (1129 Views)
After getting my new Apex controller I have been watching my Ph readings for the first time, and I have noticed that my Ph has a range of 7.9-8.1. I have to assume that my ph has always been around this number and just didn't know it. i have done some searching and have found many different answers to this question. Some say it should be in the 8.1-8.3 range and low readings are due to low Alk or a high carbon dioxide level in the tank/house, others say that any real level is ok as long as it stable. Curious on everyones else's opinion on this. Only reason I ask is I noticed one of my corals started to RTN this morning and my long tentacle anemone wasn't looking so good this morning. My current tank readings are
Salinity 34ppt
Calcium 440
Alk 8.5dkh
Mag 1450

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Comments

  1. melev's Avatar
    pH is the result of oxygen levels, alkalinity, calcium and magnesium to put it simply. The levels you are observing are fine, and are not the cause of an RTN event. pH would have to drop to 6.5 or lower, or spike to 8.6 or higher to cause coral reactions.

    RTN is more of a mystery for the most part, although Eric Borneman has been trying to nail down the cause for some time now.

    I'd raise your salinity to 35ppt, and double check nitrate and phosphate levels. If you keep everything stable and steady, your corals should thrive for the most part.
  2. Jessy's Avatar
    Are you using a refractometer for checking salinity? Do you run carbon or any other material to filter our toxins that the corals may be secreting? It may be a case of allopathy if you have stinging corals close by.
  3. Tumbleweed's Avatar
    Yes I use a refractometer, and run a carbon reactor. no noithing is close by that could sting
    them.