Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Ph level (http://www.tropicalfishkeeping.com/water-chemistry/ph-level-121100/)

bohmert 11-27-2012 02:17 PM

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???

Reefing Madness 11-27-2012 02:29 PM

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. ??

bohmert 11-27-2012 05:45 PM

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.......

evanlundberg4 11-27-2012 06:50 PM

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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Reefing Madness 11-27-2012 06:56 PM

Aquarium Chemistry; Calcium, KH, GH, pH, Electrolytes, Magnesium, Mineral Ions, Cations

bohmert 11-27-2012 07:08 PM

Ok will fill u in after we get back. Thanks again
If it is the alklinity how do fix that?

beaslbob 11-28-2012 02:20 PM

Quote:

Originally Posted by bohmert (Post 1328673)
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

beaslbob 11-28-2012 02:24 PM

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. :lol:


my .02

Reefing Madness 11-28-2012 06:29 PM

Quote:

Originally Posted by beaslbob (Post 1329597)
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?

beaslbob 11-28-2012 07:26 PM

Quote:

Originally Posted by Reefing Madness (Post 1329849)
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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