Co2 rising ph?

[One_Trick_Pony]

i have just (yesterday) begun c02 injection to my larger tnak afater a black out period, i understood that the co2 would lowere the ph of the tank yet it seems to have goen up to about 7.2, form its ususall 6.8, is this normal??


OTP

 

[smithrc]

very odd... it should lower it - not raise it...

they only thing i can think of it that the CO2 bubbles are causing more surface agitation and actually removing more co2 that they are adding - Very unlikely though...

 

[Bloo]

not to my knowledge - sorry can't help you on that one.

 

[One_Trick_Pony]

hmmmn or me, at leats if it stays in the proper range i guess i will be ok

 

[smithrc]

whats you KH at?

 

[One_Trick_Pony]

that i dont know i dont hav a test for that

 

[smithrc]

ah. - its the only way to know what the CO2 content of the water is...

It might be worth getting on eso you can see what is happening for definite

 

[One_Trick_Pony]

i asume my lfs can test for that for me?