Lowering ph
K is potassium, an alkali. Yes, it will raise pH.
I use a water-softening resin (after chloramine removal) then find that sulphuric acid (pH lower) added slowly over a week bring pH to 6.5, which is where I want it for trichogaster breeding. No bounce if you add it slowly, allowing everything to settle between additions. |
Lowering ph
John Sankey wrote: K is potassium, an alkali. Yes, it will raise pH. I use a water-softening resin (after chloramine removal) then find that sulphuric acid (pH lower) added slowly over a week bring pH to 6.5, which is where I want it for trichogaster breeding. No bounce if you add it slowly, allowing everything to settle between additions. No, K+ will not raise pH, just like adding table salt, NaCl will not raise pH either. To raise pH, you need a buffer, K+, is not a buffer nor is NO3. KNO3 is a salt. Common name: saltpeter........ Better to use RO water to lower KH, than H2SO4, a rather nasty strong acid, HCL, HNO3, may also be used, or peat. RO water is the best solution and one used in most hobby tanks. Regards, Tom Barr www.BarrReport.com The aquatic horticulture on line magazine for aquatic plants |
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