[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re Lowering pH, etc..

> From: IDMiamiBob at aol_com
> Subject: Re: Lowering pH when adding hard water nutrients to soft water  
> To keep it as simple as possible, I recommend you reduce the sodium 
> bicarbonate to give you a KH of 3.  The more you have, the harder it is to 
> move pH down.  Then use simple hydrochloric acid to bring the pH down.

	That simply reduces the KH again:

	HCO3-  +  H+  ->  CO2(leaves)  +  H20

	Just add less sodium bicarbonate - the lower KH is what gives
you the lower pH.

Paul Sears        Ottawa, Canada