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Re: RO......chemistry
> As some said earlier here, pH of RO water is absolutely useless.
>
> the pH of pure (or RO) water will bounce (down or up) with every little
> acid or basic addition, thus the risk of pH crash if there's not a
> little carbonates (kH) to give some buffering capacities. Usually the pH
> is around 6 because of diluted CO2.
> But with RO water you just have to find the good buffer (not always
> easy) to adjust you final tank pH.
> Peat is often used as an acidic buffer provider.
What about tanic acid? They sell it in powder, did anyone here tried it
before? (Uwe Römer says he uses it regularly, but no instructions
regarding quantity per literŠ).
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