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-   -   Softer water equals higher pH? (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/softer-water-equals-higher-ph-10598/)

Holly 01-04-2008 12:08 PM

Softer water equals higher pH?
 
I pick up peat least night to put in my filter since my water is very hard and I want to soften it a bit. With the gH going down, does that mean that my pH will rise a bit? Right now it's a 6.0 and I would feel more confortable if it was a little higher but really don't want to use chemicals or really sure if I want to even play with it since the fish are fine. Tell me if I'm wrong but the kH is the stabilizer for pH. How will lowering the gH effect the pH? Will the peat bring my kH down also? Right now that's stilling a 0. Yes, my pH is 6.0, gH is over 300ppm and kH is 0.

herefishy 01-04-2008 01:46 PM

pH is a measure of relative acidity or alkalinity. Adding peat lower the pH due to its content of tanins, or tanic acid. Ph should not rise, but lower, when using peat.

SST 01-04-2008 02:55 PM

To raise the ph in my tank, which had been sitting at 6, I used some crushed coral.. I've never tested the gh or kh.

Holly 01-04-2008 09:42 PM

My goal is to use/do something that would do both at the same time if that's even possible. How much coral would have have to use to raise it up to say 7.0 and how would I control the reaction of coral in the water that it didn't keep increasing the ph?

Falina 01-05-2008 03:32 PM

Quote:

Originally Posted by Holly
My goal is to use/do something that would do both at the same time if that's even possible. How much coral would have have to use to raise it up to say 7.0 and how would I control the reaction of coral in the water that it didn't keep increasing the ph?

Trial and error. Ad small amounts, wait a few days, test, add another small amount, wait a few days, test etc until you gte i how you want. a few days should be enough that it eon't keep rising after you test.

Holly 01-05-2008 04:15 PM

how long does the coral last before it starts breaking down and more need to be added to maintain stability?

Falina 01-05-2008 04:23 PM

Quote:

Originally Posted by Holly
how long does the coral last before it starts breaking down and more need to be added to maintain stability?

I have no idea as to an actual figure, but it will be a good number of years anyway. Perhaps 5? This is assuming you have a substrate of coral. If you have small bags of it then it will be much less. When you do your weekly, or fortnightly tets you will be abl to see if it is dropping anyway as it will certainly last longer than fortnightly tests.

SST 01-05-2008 05:30 PM

I've just started with the coral. I can see that it's breaking down when I clean the gravel.

I've been told that the coral only raises the ph to a certain point and then maintains at that level. What it is, I don't know. The last time I checked the ph it was at 7.6.

I also heard from another forum member that they added 1/2 cup every month.

It sounds like trial and error.

Good luck!

Andyandsue 01-06-2008 05:35 PM

I have both VERY hard water and VERY high pH from the tap, and that's the way it goes into my tanks. That theory would probably be a no then.


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