Hard Alkaline Water?

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Cynthia created the topic: Hard Alkaline Water?

Hi guys :)

Just a quick question.

The PH in the Oscars tank is @ 7.2ppm (hard to see the right color on the API cards). She is around 8-9 inches in a fully cycled 55g. I do weekly water changes of 50%. All parameters look good just the PH is the problem.

I have read here and other places through articles that Oscars can get hole in the head because the water is alkaline.

How do I go about fixing this?

I would hate to mess with the PH, but if it is necessary I will do so.

When doing water changes (since I am on city water) how should I treat the new water before adding it in? I use prime, but the PH of the tap would be harder as apposed to the tank water? Not sure... I will check it right now and post the PH of my tap water.

Thank you very much for taking the time to help me out.
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Rocksor replied the topic: Hard Alkaline Water?

ph 7.2 is fine for oscars, so you have no problem with ph.
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Cynthia replied the topic: Hard Alkaline Water?

What is going on in my tank?

The PH of my regular tap water is @7.6
I tested the water twice in the tank and it came out at @ 7.2
How did my water in the tank change?

I am testing wrong again?
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Cynthia replied the topic: Hard Alkaline Water?

Thanks Rocksor

Why is the PH of the tank water less than my tap water?
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Rocksor replied the topic: Hard Alkaline Water?

After a period of 24 hours, tap water ph can go either go down or go up when left in a container with an air stone. This is either due to CO2 being gassed out (ph goes up) or the tap water is under so much pressure that once it is exposed to air, CO2 is absorbed (and the ph goes down).
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Suprd71 replied the topic: Hard Alkaline Water?

All my tanks with both Central and South American cichlids sit at 7.2... everybody good, never had a problem


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Big-Ken replied the topic: Hard Alkaline Water?

Another by product of the nitrification cycle is hydrogen ions, these ions will lower the ph of the water. In a properly maintained aquarium they will cause a slight drop in ph but if water changes are not being carried out they can over time drive the ph way down below 5.5 which is the ph that nitrifying bacteria cease to work and you lose your cycle, this is called "Old Tank Syndrome". The silver lining with that is at a ph of 5.5 and lower ammonia is converted to ammonium and ammonium is harmless to fish, this is how extreme blackwater fish like apistos can survive in shallow puddles during the dry season cut off from fresh water.........BUT and its a big but, in the aquarium when fresh water is added to this extreme low ph water full of ammonium and the ph is brought back above 5.5 all the ammonium is converted back into toxic ammonia
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Cynthia replied the topic: Hard Alkaline Water?

Thanks

I have learned a lot from this post.

I am glad her water is OK and she will be fine with regular city water. I live in CO USA, water here comes from the mountains.

Thanks guys :)
I was just making sure she has everything she needs :)
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Suprd71 replied the topic: Hard Alkaline Water?

If you want your fish to do REALLY well, increase your water change to twice a week. Your water may be "ok", but these fish do awesome with as much clean water as you can give them. And if you are able, a bigger tank will increase you odds of growing a monster, and keeping it 15yrs.


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Cynthia replied the topic: Hard Alkaline Water?

Suprd71, Sorry I just logged in today :)
Thanks will try to upgrade tanks. She is already a stun Oscar. We adopted her. She is @9 inches max. Hoping she grows a bit more. I will do water changes twice a week :) Thank you for your concern, and help. I appreciate it. ;)
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