How to get your PH lower? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 10 Old 05-14-2010, 12:48 PM Thread Starter
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How to get your PH lower?

Does anyone know of a way to make your PH around 6.5-7? Somewhere that angelfish like? My tap is about 8 or maybe a little higher.

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post #2 of 10 Old 05-14-2010, 01:27 PM
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Well the first thing I would try is just set up the tank.

Add lots of driftwood to the tank and let it sit for a while. Then test the PH.
If its not low enough, then add a bit of Peat to the filter. (a tsp or so.). Let it run a couple days, and test it.
Follor the process until either you can't see in the water, or the PH is right. Angelfish like the brown-tinted water- their natural habitat is a jungle/forest river with lots of organic debri- thats what you're replicating.
The humic and tannic acid (tannins) have beneficial affects on angels health.

As a last resort, you may have to buy a RO unit or buy RO water.

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post #3 of 10 Old 05-14-2010, 01:29 PM Thread Starter
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Won't adding peat shock them when I do water changes and add in 8 PH water? The peat won't be able to change it that quickly right? I'd probably have to use RO water. Because I don't really wan t the water brown...

"He situates himself in relation to time. He takes his place in it. He admits that he stands at a certain point on a curve that he acknowledges having to travel to its end. He belongs to time, and by the horror that seizes him, he recognizes his worst enemy. Tomorrow, he was longing for tomorrow, whereas everything in him ought to reject it."
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post #4 of 10 Old 05-14-2010, 02:58 PM
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Well I don't think a 20-30% water change will shock them.

And the water won't be brown like coffee, just a very slight tinge, like really really weak tea.
It's good for the fish... RO water has its own problems- It has literally no elements in it, which may require you to add something like blackwater extract or peat anyway.

You could try something like a brita water filter... Might absorb some of the metals out so its around 7.

If it was me, peat is really the best way to go.

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post #5 of 10 Old 05-14-2010, 03:05 PM
I think brita is just a carbon filter, an probably not going to effect the pH. Drift wood, peat, or RO are your only options. Or find a local breeder.

.... I'm probably drunk.

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post #6 of 10 Old 05-14-2010, 03:49 PM Thread Starter
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Can angelfish adapt and live happily/breed in 8 PH water? I keep some in another tank and they are fine but i just dunno if they breed. So by finding a local breeder u mean they CAN adapt and be ok?

"He situates himself in relation to time. He takes his place in it. He admits that he stands at a certain point on a curve that he acknowledges having to travel to its end. He belongs to time, and by the horror that seizes him, he recognizes his worst enemy. Tomorrow, he was longing for tomorrow, whereas everything in him ought to reject it."
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post #7 of 10 Old 05-14-2010, 07:20 PM
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If memory serves me, your water is quite hard, meaning the KH and GH are high. KH is what buffers pH and resists attempts to lower it. The harder the water, the less the effect of "natural" methods like peat and wood will be. I've never had to worry about this, having very soft water out of the tap, but if I did have this issue I would absolutely get a RO unit. It is far more reliable. Though initial cost is high, long-term you would need to buy a lot of peat to lower the pH significantly, and it wears out, faster the harder the water.

Now, having said that, if the angel fish are tank raised (most in stores are) they seem to manage with the pH in the 7's. And aquarists have them spawn; several memebers here have. Some fish are more adaptable than others. I'm not saying angels will live normal long lives in a tank with a pH of 7.8 or 8, but conversely I've no idea if it negatively affects them either. If you were dealing with wild-caught fish that would be a totally different matter.

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The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #8 of 10 Old 05-14-2010, 10:05 PM Thread Starter
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Ah, I have some angels that I've had one for maybe 5 years in this water. It also has spawned with 2 different females (both died tho somehow) but I just didn't know if that was a fluke or not. If I do decide to get angels, I will probably just buy store bought RO water. :/ Now that I think about it, even if it's only 25 cents a gallon (its prolly more), it'll be about 5 dollars for 20 gallons so idk what I'll do. I'll think about buying an RO unit or something.

Byron, do you know if it is ok to start my plants in 8 PH water but then get down to 7 later on? Prolly is... but will it stunt their growth for a bit?

"He situates himself in relation to time. He takes his place in it. He admits that he stands at a certain point on a curve that he acknowledges having to travel to its end. He belongs to time, and by the horror that seizes him, he recognizes his worst enemy. Tomorrow, he was longing for tomorrow, whereas everything in him ought to reject it."
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post #9 of 10 Old 05-15-2010, 03:10 PM
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pH does not have as much effect on most plants as it would on fish.
Some plants do react to significant changes; crypts will usually melt, but if left alone generally grow back as the roots do not die.

Remember though that each degree of pH equals a ten-fold change in the acidity/alkalinity. In other words, water with a pH of 8 is 10 times more alkaline than water with a pH of 7, and water with a pH of 6 is ten times more acidic that water with a pH of 7. And a change from 8 to 6 would represent a 100-fold increase in acidity--there is a word for this, my mind is gone again and I can't remember it. For this reason changes in pH should always be gradual over time, if there are fish (and plants) in the aquarium.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #10 of 10 Old 05-15-2010, 04:05 PM Thread Starter
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Oh, ok, thanks! :) I didn't know that about PH. :O

"He situates himself in relation to time. He takes his place in it. He admits that he stands at a certain point on a curve that he acknowledges having to travel to its end. He belongs to time, and by the horror that seizes him, he recognizes his worst enemy. Tomorrow, he was longing for tomorrow, whereas everything in him ought to reject it."
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