Tips for raising and lowering your PH - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 03-04-2008, 04:51 PM Thread Starter
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Tips for raising and lowering your PH

Lowering pH - making water more acidic:

Filter the water over peat.
Make a partial water change using softer water. You can use rain water or water prepared by boiling.
Add bogwood to the tank.
Use a commercial pH minus (acid) buffer.

Raising pH - making water more alkaline:

Aerate vigorously to expel carbon dioxide (CO2).
Filter over coral, crushed shells or limestone chips. Add calciferous decor to the aquarium such as tufa rock or a coral sand substrate.
Make a partial water change.


Use a commercial pH plus (alkaline) buffer.
Any change to the pH should be undertaken gradually and particular care should be taken when using a commercial pH buffer. Often they create a rapid pH change and cause the fish to suffer pH shock. I recommend preparing water in advance and adding it slowly, perhaps during a water change.

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post #2 of 7 (permalink) Old 03-04-2008, 07:28 PM
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^^ Good info, just one point of clarification- boiling tapwater will not lower the pH; as a matter of fact, it will raise the overall hardness as the pure H2O will evaporate leaving all the trace minerals behind.

Boiling collected rainwater is a good idea to kill off any unwanted microorganisms that may have colonized the collection container.

Anyone who is looking to make dramatic changes in their water should carefully examine why they feel this is necessary and whether or not they will be able to afford the additional time and $$ it will take over the long haul. It is difficult to achieve stability in a tank where water params are being artificially altered.

Unless breeding a specialized fish is the goal, IMO 9x out of 10 it's much more advisable to select plants and animals that are compatible with the water coming out of your tap.





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post #3 of 7 (permalink) Old 03-04-2008, 11:50 PM
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From what I've been learning, Raising & lowering PH isn't needed.. Fish are affected more by GH. And the best way to control GH is to add CaCO3 of some form to raise and to add RO or distilled water to lower.


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post #4 of 7 (permalink) Old 03-05-2008, 04:48 AM Thread Starter
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I just came across this information and thought I would share. I am looking at purchasing and breeding a species of rainbowfish that needs a ph in the range of 7 to 8. Not exactly sure what my ph is but I am going to go buy some testing stuff. Any recomendation as to what brand?

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post #5 of 7 (permalink) Old 03-05-2008, 04:50 AM
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you can breed rainbow fish in many tap conditions. What species? PH is not very important.
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post #6 of 7 (permalink) Old 03-05-2008, 04:56 AM
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Quote:
Originally Posted by cojo0667 View Post
I just came across this information and thought I would share. I am looking at purchasing and breeding a species of rainbowfish that needs a ph in the range of 7 to 8. Not exactly sure what my ph is but I am going to go buy some testing stuff. Any recomendation as to what brand?
API makes good drops.

Neil, pH is often very important when breeding fish, especially with egglayers.





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post #7 of 7 (permalink) Old 03-05-2008, 03:15 PM Thread Starter
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I am going to be attempting to breed pseudomugil furcatus. I guess they are very particular about the PH in their tank. I guess they like a PH of 7.6. Wow!

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