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Thread: ph slowly dropping
- 01-10-2010 01:46 PM #1Just Moved In
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ph slowly dropping
Hi,
I am a total beginner at this. I have just recently set up a 75gl marine tank. When I initially setup the tank the ph was 8.20 but after two weeks it is now 7.95. Would there be anything obvious that I am doing wrong and how can I fix this.
Right now there is only 1 damsel in the tank. All the other measures that i have taken seem to be within range and stable.
Thank you for your help.
- 01-10-2010 02:02 PM #2Governor
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Re: ph slowly dropping
Tanks,
Robert
"a Reef tank is like a garden, you grow one, not buy one"
- 01-10-2010 02:11 PM #3Just Moved In
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Amm= 0
Originally Posted by Parrothead 
Nitrite= 0
Nitrate = O.02
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- 01-10-2010 02:12 PM #4Governor
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Re: ph slowly dropping
How long has the tank been set up
Tanks,
Robert
"a Reef tank is like a garden, you grow one, not buy one"
- 01-10-2010 02:41 PM #5Just Moved In
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3 weeks tomorrow. I let it sit for two weeks and added the fish 1 week ago Originally Posted by Parrothead
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- 01-10-2010 05:20 PM #6Governor
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Re: ph slowly dropping
you are still in decent shape, you pH is not that far out of whack, I would keep an eye on it, and see where it goes, also do regular water changes using ro/di water if available.
Tanks,
Robert
"a Reef tank is like a garden, you grow one, not buy one"
- 01-10-2010 06:38 PM #7Just Moved In
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Thanks a lot, will do. Originally Posted by Parrothead
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- 01-11-2010 03:21 AM #8Moderator - LEE
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Re: ph slowly dropping
pH is controlled by the buffering ability of the water. The buffering ability of the water is controlled by three ingredients:
Calcium
Alkalinity
Magnesium
These three need to be kept in balance. Test for these three, move them slowly into balance, then report the pH you have.
Regarding balancing, you'll find the info in this post: What is Water Quality
LEE
Post your fish care and health questions on the Reefland MARINE FISH: CARE, HEALTH AND DISEASE TREATMENT Forum.
- 01-12-2010 03:19 PM #9Council
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Re: ph slowly dropping
During this time, did you perform any water changes?
Did you add or remove any rock, substrate, or anything else?
- 01-12-2010 10:56 PM #10Just Moved In
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Re: ph slowly dropping
leebca: Thanks, i will start to measure calcium and magnesium and will see if I can bring it to balance.
ToddTT: I only added live rock
Thanks everyone.
- 01-24-2010 11:27 PM #11Governor
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Re: ph slowly dropping
Magnesium is the most important when it comes to PH,it keeps your PH high and stable.Without it you will have drastic Ph swings at night.
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