Ph level
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Ph level

This is a discussion on Ph level within the Water Chemistry forums, part of the Advanced Saltwater Discussion category; --> Starting new tank can't get ph to stablize. Get it to 8.2 by morning back down in the 70's. Anyone else have this is. ...

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Old 11-27-2012, 02:17 PM   #1
 
Arrow Ph level

Starting new tank can't get ph to stablize. Get it to 8.2 by morning back down in the 70's. Anyone else have this is. Tank is 40g salt is on the high side by in the red-ok. Someone said use an aerator???
bohmert is offline   Reply With Quote
Old 11-27-2012, 02:29 PM   #2
 
Take lids off the tank. You should be using a skimmer already in there, so that aerates your water. But with lids off the gas exchange is better. Yiu can point your powerheads alittle more towards the surface to break up the water surface. And, yiur PH is always going to go down whn the lights are off, and will go back up when the lights are on. Most run a sump, with its lights on either 24-7 or opposite the DT lights to keep the Ph more stable. If none of this helps, waht is your ALk, (DKh) and MAG?
Also, what do you mean by your salt is reading high in the red? I didn't get that one. ??
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Old 11-27-2012, 05:45 PM   #3
 
Thanks for the response by the red , one my hydrometer 1.026 is the high point and is in red sorry for confusion. Dont have a lid yet they had to order it and the light which will be T5. Dont know the other levels will be going to lfs tomorrow after work. Just talked to someone near me with 200g and said the lfs store i deal with is great. So.......
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Old 11-27-2012, 06:50 PM   #4
 
Once you have those other parameters would be easier to figure out what the dealio is. The alkalinity is the key one with the pH I believe. Helps keep the pH stable so could be low.
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Old 11-27-2012, 06:56 PM   #5
 
Aquarium Chemistry; Calcium, KH, GH, pH, Electrolytes, Magnesium, Mineral Ions, Cations
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Old 11-27-2012, 07:08 PM   #6
 
Ok will fill u in after we get back. Thanks again
If it is the alklinity how do fix that?
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Old 11-28-2012, 02:20 PM   #7
 
Quote:
Originally Posted by bohmert View Post
Ok will fill u in after we get back. Thanks again
If it is the alklinity how do fix that?
Baking soda. In small amounts.


Get the alk up to 9 degrees and see how it works. Just a teasponn or so. Then retest later.


my .02
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Old 11-28-2012, 02:24 PM   #8
 
Oh yea and fwiw.

PH rises with lights on as algae consumes and loweres CO2. Then drops again with lights off.

Alk IME will limit that nightly drop but one things to consider:


It is much better to have algae raising the pH to high levels when the lights are on then to have no algae and the pH is constantly low.


my .02
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Old 11-28-2012, 06:29 PM   #9
 
Quote:
Originally Posted by beaslbob View Post
Baking soda. In small amounts.


Get the alk up to 9 degrees and see how it works. Just a teasponn or so. Then retest later.


my .02
Refresh my memory here. What device takes an ALK reading at Degrees?
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Old 11-28-2012, 07:26 PM   #10
 
Quote:
Originally Posted by Reefing Madness View Post
Refresh my memory here. What device takes an ALK reading at Degrees?
The Api gh and kh test kits are calibrated so that each drop is 1 degree.
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