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Re: Aquatic Plants Digest V3 #46

> Subject: pH up and pH down
>  for several days several people have mentioned how pH buffers release
> phosphates into the tank and i was just wondering whats the cheapest and
> easiest ways to raise and lower pH without any adverse effects in the tank?
> thanks
> Don

The cheapest is to avoid the whole issue and LEAVE YOUR PH ALONE! There 
is no need to adjust your pH unless its less than about 6 or more than 8.5. 
What you want is pH STABILITY. This can be accomplished in a planted tank 
by adjusting your alkalinity to '4' with sodium bicarbonate (baking 
soda). If you then want a slightly lower pH you can add CO2.