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my Ph in my tank is usally low, i'm use to just adding Wardley Ph up. now that i've started Co2 injection my ph is going to drop alot more. how can i keep it up without all the chemical treatments??
 

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Is there an underlying reason why pH is so low to begin with? Get a copy of the water report from the water utility and see what's in the water as a starting point.

Then get to know the pH/KH/CO2 relationship:

http://www.thekrib.com/Plants/CO2/kh-ph-co2-chart.html

Don't add -any- pH adjusting products. Use regular baking soda to buffer KH to around 3-4 if needed. That's all, no other 'products' but if your water is really soft, you may want to adjust GH as well.

TW
 

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Jeff... You will need to know your KH before injecting C02, if KH is to low you may have a PH crash.

I agree don't use PH adjusting products they can make the situation more unstable. Like mentioned baking soda is a great way to raise KH & PH. Start off with a 1/2 teaspoon per 10 gallons, test KH/PH the next day, if needed add more or increase to 1 teaspoon intil you get your desired KH/PH.

Here is a good link for water chemistry... http://www.aquariaplants.com/waterchemistry.htm
 

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trenac said:
Jeff... You will need to know your KH before injecting C02, if KH is to low you may have a PH crash.

I agree don't use PH adjusting products they can make the situation more unstable. Like mentioned baking soda is a great way to raise KH & PH. Start off with a 1/2 teaspoon per 10 gallons, test KH/PH the next day, if needed add more or increase to 1 teaspoon intil you get your desired KH/PH.

Here is a good link for water chemistry... http://www.aquariaplants.com/waterchemistry.htm
How do i go about adding the Baking Soda to My aquarium?
 
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Before you add anything, you need to know what you're compensating for. You need to determine the current KH first, then figure out how much you need to raise it. I believe at that point, the formula is roughly the volume of water in gallons times the amount you want to raise it (in ppm) divided by 5000.

So to raise KH by say 20ppm in a 70 gallon tank, 70 X 20/5000= .28 ounces of baking soda.

(For God's sake someone correct that if it's wrong before kill the guys tank)

To add, dissolve the baking soda in about a quart of water and add it over say 48 hours or so. Once you have have everything swinging, you'll have a feel for how much you'll need to maintain it and dose accordingly say two three times a week to minimize swings.
 
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