Reply With QuoteAre you doing planted tank ? You can put coral chip to increase your hardness , and will increase your PH slightly.
My PH is around 5.8 - 6.2 due lot of DW and high CO2 ppm .
What other ways to increase pH level besides adding those pH up chemicals..?
Currently my pH level is 6 and kH is 1....
Last edited by benny; 1st Mar 2006 at 08:51. Reason: spelling
Are you doing planted tank ? You can put coral chip to increase your hardness , and will increase your PH slightly.
My PH is around 5.8 - 6.2 due lot of DW and high CO2 ppm .
Why would you want to increase pH?Originally Posted by sonique
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Increase your KH using Bicarbonate baking soda (NOT baking powder) which you can get very cheaply at the supermarkets. You can get huge packs from supermarkets like Shing Song (spelling help here, someone?)
Baking soda is also known as sodium bicarbonate or bicarbonate of soda.
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i wud like to increase the ph slightly...to achieve the proper ppm levels base on kh vs ph chart...
yes, i have a piece of bogwood in my planted tank..i understand tat reducing the co2 will help a lil' too..
Hi,
Hi, you can't just increase the ph to achieve the correct ppm for co2. ph, kh and co2 level are all related, increase/decreasing one will have effect on the other 2.
Sodium bicarbonate will increase the kh of your water, it will not increase your ph... what really happened is that you're increasing the buffering capacity of your water, so things which will naturally lower your water's ph, co2 injection and fish poo will not cause a decrease in the water's ph because the buffer 'absorb' them.
If you increase your kh level to say greater than 5, you will most likely find your ph level holding at 7.8, increasing your co2 injection slightly at the stage will have little effect on the water ph, that's the buffering effect of the sodium bicarbonate at work. Hope this helps.
Bear in mind the chart can be inaccurate as well, and the values on the chart are all estimations.
Like bossteck says, you can't just change pH values with chemicals to get the desired ppm of CO2. You need to use CO2 to change the pH value.
No, the chart is accurate. Your measurements might not be.Bear in mind the chart can be inaccurate as well, and the values on the chart are all estimations.
Regards
Peter Gwee
Erh? I'm confusing stuffI've always thought the chart's values were estimations. Thanks.
so, wats the best to do nw..? increase the kh higher to around 5dkh??
or have some coral chips???
I have a question to ask...
What substrate you using? ADA?
Personally I'd leave the kH alone. It's alright...
If you use sodium bicarbonate to increase the kh, then what is the content of products like ph up/plus (things that increase the ph in commercial products)?
By the way i'm keeping cichlids, should i increase the kh and ph using those commercial products or should i just increase the kh only?
i'm using plain lapis gravel with root monster....no base fert..
Corrections...
KH and pH are interrelated. Adding sodium bicarbonate WILL increase both KH and pH.
BC
Most pH-up additives are bi-carbonate/carbonate based. They will also raise the KH.
As mentioned, pH and KH are interrelated. To raise pH, you usually have to raise the KH.
BC
ok, will do tat and raise the kh to ard 3dkh..and observe if the ph increases slightly as well....thx!!
Really? I've always thought of sodium bicarbonate as a buffer that will hold the ph at a particular point 7.8 if i am not mistaken and that adding more sodium bicarbonate beyond this point would not raise your ph any further. I never experimented with this before, but that's what i read, is my sources wrong? Thansk for clarifying.
There might be some truth to it. When my kh was 5, the ph was abt 7.4 or 7.5 when i raised the kh to 8 the ph is 8.I expected it to be higher than 8.
I'm sure there must be a difference in the composition of the two otherwise why would manufacturers make ph-up and kh-up powder?
Is there a possibility that since sodium bicarbonate is a buffer, it just hold the ph to prevent large ph fluctuation. Raising the kh beyond a certain amount will not raise the ph beyond the eg 7.8 or 8 and even it if does will be VERY little? To raise the ph up to very high levels like in a marine or wild cichlids water parameters, you'll have to add ph-up??
Any experts care to shared light on this issue.
Last edited by aquarius; 28th Feb 2006 at 01:14.
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