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How to test peat H2O for GH & KH
Thanks for all of the posts. I built a peat filter per your website.
How do you test your peat water for KH and GH. My test kits (cheap ones) do not show a color change because of the tea water. I do believe that the pH dropped below 6 from a starting 8.3. Also, do you see any bounce back in your pH over time due to the KH being at 3? "Marksfish" wrote in message news:KWJaa.11567$Lq.923778@stones... Correct me if I'm wrong, but I think I read somewhere that organic materials like wood or peat lower the pH of the water by leaching mild acids into the water. This will lower the pH , but it doesn't change the gh / kh . If these materials don't absorb minerals , they would actually INCREASE the total dissolved solids ( TDS ) . Again , I may be wrong . If so , please explain why .... Indeed, peat does work by leaching tannins into the water, thus acidifying the water and also depleting the KH content of the water, making it softer. Dependent on the type of peat used (I use Irish moss peat), the pH is dropped from a pH of over 8 to 5.5 and the KH drops from 13 to a respectable 3. The colouring, although not to everyone's liking induces certain fish to spawn and also brings out a more intense colouration in the fish. I have also found the tannins to be beneficial in the control of algae. Regards Mark www.marksfish.f9.co.uk |
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