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Published: 2 months, 3 weeks ago (Thu, 16 Apr 2009 12:51:07 PDT); 41 Kb

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Качество прудовой воды

...load. Water pH The pH range of 6 to 8.5 is acceptable for most pond life. The primary concern with pH is its direct relationship to the toxicity of ammonia and nitrite. Each pH interger above the neutral 7 reflects a tenfold increase in such toxicities. Any pH value below the neutral 7 is considered acidic. Baking soda or ground limestone will raise the pH level. pH values over 8...

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Published: 2 years, 2 months ago (Thu, 26 Apr 2007 12:52:21 PDT); 6084 bytes

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Качество прудовой воды