PH question

I hate doing this, but a general question about pH is best answered with some reading material. Give those a once over, they cover all the important chemical relationships, methods, problems etc. Low pH can be caused by a number of things and after reading these you should have some idea on what may be your particular issue and how to resolve it. The problem you are having could be related to chemistry balance of the tank itself or something environmental.

Here are some really good reef chemistry articles:

The ?How To? Guide to Reef Aquarium Chemistry for Beginners, Part 1: The Salt Water Itself
http://reefkeeping.com/issues/2007-03/rhf/index.php

The ?How To? Guide to Reef Aquarium Chemistry for Beginners, Part 2: What Chemicals Must be Supplemented
http://reefkeeping.com/issues/2007-04/rhf/index.php

The "How To" Guide to Reef Aquarium Chemistry for Beginners, Part 3: pH
http://reefkeeping.com/issues/2007-05/rhf/index.php

The ?How To? Guide to Reef Aquarium Chemistry for Beginners,
Part 4: What Chemicals May Detrimentally Accumulate
http://reefkeeping.com/issues/2007-09/rhf/index.php

http://www.reefkeeping.com/issues/2004-05/rhf/index.php
http://reefkeeping.com/issues/2005-11/rhf/index.php
http://www.reefkeeping.com/issues/2004-09/rhf/index.php
http://www.reefkeeping.com/issues/2005-03/rhf/index.php

Once you have read these, give us an better idea the tank itself. Things we need to know to help would be:

Size of the tank?
Water change procedure, how often, how much?
What salt do you use?
What your parms are in the tank:
Salinity
pH - how are you measuring it
Alkalinity
Calcium
Magnesium
Do you run skimmer?
Is the tank closed, ie a canopy?
What do you use to dose your Alkalinity, Calcium and Magnesium? How often and how much do you use? What brands etc?
 
Rough answer Dave, but it was a great one! I learned quite a bit reading through that. You never learn everything those articles tell you the first 2-3 times reading them. :D I am thinking about making by DSB deeper now and am worried about those 2 sand dollars I introduced.....
 
@Treamaya wrote:
Heck there are details that I have never spotted that people point out from time to time and I've read them several times, even after knowing what they were talking about fairly well. Its the nature of the beast....

Yep Sand Dollars are voracious eaters.. good and bad with them is that eventually they will die. Bad for the animal and you if you liked them, good for the bed because nothing is going to be munching on it once they are gone. Unfortunately its a no-win situation, either pull them out and kill them, or put them back into the ocean or wait until it happens naturally and hope your bed doesn't get wiped out in the meantime.
 
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