How Much Bicarb To Raise Ph?

[Claire121]

Hi

could anyone give me a rough idea how much bicarbonate of soda to put in to raise PH from 7.0 up to 8.2ish, in a 125 tank, which is what I understand is 'best' for fishless cycling ?

I will of course test once done, but am trying to avoid lots of tests.....

a pinch, 1/2 teaspoon, 1 teaspoon, 1 tablespoon ?

Many thanks

Claire

 

[StandbySetting]

A tea spoon for every 10 gallons I find to work, if it's still not high enough, adjust accordingly.

 

[Claire121]

Hi thanks for the quick response !

I'm guessing a UK gallon ?

So, 125 litres = 27 gallons so approx 2.7 teaspoons. So I'll start with 2 teaspoons and test?

Thanks so much !

 

[StandbySetting]

Yeah, start with 2, it doesn't need to be pin point accuracy.

 

[bullit]

Teaspoon every 5 gallon normally. Bicarb will max out at 8.2 so then you would just top up with water changes.

cheers

 

[TwoTankAmin]

From FINS

To raise the KH without raising the GH, add sodium bicarbonate (NaHCO[sub]3[/sub]), commonly known as baking soda. 1/2 teaspoon per 100 Liters raises the KH by about 1 dH. Sodium bicarbonate drives the pH towards an equilibrium value of 8.2.