Hi Charles/all
My tank water:
PH - 8.4 API master test kit
GH - 13 (JBL testing liquid)
KH - 20(API)
TDS: 800
The input tap water:
ph 7.4(API master test kit)
GH - 13 (JBL testing liquid)
KH - 20(API)
TDS:800
Additional info: My other 2 planted tanks have PH 7.4. I have not performed the other tests.
How do i manage the water parameters ?
i have a mix of fishes, i think it will all be okay if i haev Ph around 7.8-8.0 and little more softer water. Please suggest how i can manage. The tank gets vac every alternate day to remove the droppings as the fishes are large(it is a 180G/640L) tank.
Now and then i do get fishy smell in water, but other planted tanks i do not.
Please suggest,.
Thank you & warm regards
Siva
________________________________
From: Charles Harrison <charles@inkmkr.com>
To: AquaticLife@yahoogroups.com
Sent: Tuesday, 14 May 2013 8:46 AM
Subject: Re: [AquaticLife] KH & GH
That means that there is a lot of acid necessary
to move your pH to acid and great for your system.
Buffering is then another concept you need to
understand. Your water has a great buffer
compactly so the change in pH is stable as long
as you keep the water the same. That means a lot
of water changes or just frequent changes of 20
to 60% once a week. Your water will remain
stable at the same pH and that is what matters
the most. All the other chemicals in the water
stays safe when you keep your water fresh.
Charles H
> Thank you for that as it is quite hard to figure! For some time now I
>have been puzzling about the GH & KH so I thought it was about time I made
>the effort to understand what it all meant rather than just measuring my
>water & getting meaningless results.
>
>You say KH is how much acid is needed to make the water pH neutral 7.0 so
>how is my KH 5 when my pH is 7.8 & my GH is 10?
>
> John*<o)))<*
>
>
>On 13 May 2013 20:24, Charles Harrison <charles@inkmkr.com> wrote:
>
>> **
>>
>>
>> Hi John
>> I'll make it smaller . . .
>>
>> KH is about how much acid is needed to make the water reach a pH neutral
>> of 7.0
>>
>> GH is about how much Calcium and Magnesium is in the water or how
>> "Hard" the water is.
>>
>> pH is a value about how acid or caustic the water is. 7.00 is
>> neutral, pH 14 is the highest value water will go caustic, pH 0 is as
>> highest acidic value water will go.
>>
>> Now if you re-read Ray's letter and still have questions, I am sure
>> we can give you an answer you will understand. There are several
>> interrelated parts to this water chemistry thing.
>>
>> Charles H
>>
>> > I have always been confused about KH & GH, what they mean in terms of
>> >water quality & how they relate to, & are affected by temperature & pH.
>> >I have tried several times searching this on the internet but each
>> >result is either 2 hours reading or you need a PHD in chemistry to
>> >understand it! I guess I'm not the only one on here that doesn't get it
>> >so can someone explain it in layman's terms please. As an example my
>> >constant readings are: pH 7.8, KH 5 & GH 10.
>> >
>> > John<o)))<
>> >
>>
>>
>
>
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