PH 7.2

https://www.triton.de/en/
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aerialdronemaster

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What are the other parameters in your tank? Can you post some pictures? Where is it located?
I am in the process doing rest tests, I will post soon

iits in my office, no opoen windows
heat from computer, , sun is partially hitting the tank
 
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aerialdronemaster

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What are the other parameters in your tank? Can you post some pictures? Where is it located?
what the heck, how did it happen !!

phospate 2.5 ( hanna checker )
Alkalinity 7.5

no need more testing, phosphate is so high
I need to do a water chagne
 

vetteguy53081

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Bring alk up to 8-9 and Ph should creep up a little. You can add a little diluted sodium bicarbonate to the sump in small increments which will increase PH
 
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Randy Holmes-Farley

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Hanna checker ,digital
Calibrated before the test
Tested few times in row

I think it is almost certainly not giving an accurate result. That value is far below values that folks accurately measure, which rarely, if ever, come out below about 7.5.

Try the aeration test in this article, and recalibrate again if you have both ph 7 and 10 fluids:

pH And The Reef Aquarium
http://www.reefedition.com/ph-and-the-reef-aquarium/

The Aeration Test

Some of the possible causes of low pH listed above require an effort to diagnose. Problems 3 and 4 are quite common, and here is a way to distinguish them. Remove a cup of tank water and measure its pH. Then aerate it for an hour with an airstone using outside air. Its pH should rise if it is unusually low for the measured alkalinity (Figure 2). Then repeat the same experiment on a new cup of water using inside air. If its pH also rises, then the aquarium’s pH will rise simply with more aeration because it is only the aquarium that contains excess carbon dioxide. If the pH does not rise in the cup (or rises very little) when aerating with indoor air, then that air likely contains excess CO2, and more aeration with that same air will not solve the low pH problem (although aeration with fresher air should). Be careful implementing this test if the outside aeration test results in a large temperature change (more than 5°C or 10°F), because such changes alone impact pH measurements.
 
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aerialdronemaster

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hello guys
following up
the PH is still dropping
1610562372806.png

1610562395293.png


I added 3 live rocks last week, and it put my ammonia and phosphate super high, like phosphate 2.6 , I battled it to 1.6 and still trying to bring it down.
I added turbo start and something to absorb phosphate
using apex to do water change,
it is 24G tank, and I am doing 0.5g a day right now

is there anything else I can do, or let it run?

thank you
 
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Randy Holmes-Farley

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This is a lit reef aquarium? It correctly reads pH 7 and 10 standards?

It just looks like noise to me. I think there may be a fundamental problem. pH in any reef tank cycles day to night, rather than skipping randomly up and down. Photosynthesis during the day raises pH, and it falls at night due to respiration but yours was at one point rising all night.
 
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aerialdronemaster

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This is a lit reef aquarium? It correctly reads pH 7 and 10 standards?

It just looks like noise to me. I think there may be a fundamental problem. pH in any reef tank cycles day to night, rather than skipping randomly up and down. Photosynthesis during the day raises pH, and it falls at night due to respiration but yours was at one point rising all night.
7 is correct, I am testing readings with hanna checker
the 10 spike was an error, I removed the probe from the tank.
yes it is a small tank
 

Randy Holmes-Farley

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7 is correct, I am testing readings with hanna checker
the 10 spike was an error, I removed the probe from the tank.
yes it is a small tank

You have calibrated it at pH 7 AND 10?
 
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Randy Holmes-Farley

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pH vs time graphs look like this graph (yellow line). Up/down/up/down, every day up/down. The size of the swing may change and the absolute values change, but the shape is always similar. Yours does not seem to be having this normal trend.





1610571288310.png
 
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Rick Mathew

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I would look for any potential Electrical problem (EMI) or Stray voltage in the tank...As Randy said...what this chart looks like is not a normal pH cycle in a reef tank...looks like something else...do you have access to another probe...Could be a bad probe...been there done that!
 
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