Topic: Copper Test Kit |
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Posted by: 5ocean Posted on: 2007-10-10 19:57 買過3隻唔同牌子既COPPER TEST KIT﹐同時測水﹐測出度數有好大出入﹐Redsea 0.3ppm, Sera 0.5ppm, JBL 0.2ppm, 請問各位師兄有無好介紹﹖ | |
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Posted by: lammark Posted on: 2007-10-11 13:36 Redsea , JBL都唔錯，且讀數相近，可信性較好，基本上超過0.2ppm，就已經殺到白點。所以你可以用Redsea測試保持0.5ppm。 | |
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Posted by: candygil Posted on: 2008-11-06 14:05 Redsea"s colour card the max is 0.4..........how to do? | |
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Posted by: 5ocean Posted on: 2008-11-07 01:16 The best thing to do is make a sample water (with copper) and match the color to find out the correct ppm. Example: if use Redsea test kit to test Seachem Cupramine. 1)Make 20L salt water as sample water 2)Add 1ml of Cupramine to the sample water (1ml Cupramine to 20L water will reach 0.5mg/L of copper, which is the required copper level to cure Ich) 3)Follow Redsea test kit's instruction, take 10ml sample water and add 6 drops of test liquid, shake well, this will be the color of 0.5mg/L of copper, keep this test tube. 4)Use another test tube, take 10ml water from your tank and repeat step 3, then match the color with the previous test tube to find out the right mg/L of copper. | |
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Posted by: lammark Posted on: 2008-11-07 02:40 candygil wrote: Redsea"s colour card the max is 0.4..........how to do? 一般最低維持0.3-0.4亦已足夠。 | |
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Posted by: candygil Posted on: 2008-11-07 03:32 thx 5ocean and mark~~ | |
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Posted by: 5ocean Posted on: 2008-11-07 15:51 以下是個人意見﹕ 1) 用試管去對顏色卡上的顏色有難度。 2) 顏色卡上的顏色不準確﹐例如 Reasea, 我買過3盒﹐3張顏色卡的顏色都不 同﹐不知是印刷不好還者其他問題﹐總之品質不良。但他的好處是顏色轉變明顯﹐由藍色轉紫色﹐剛好是我們想知的0.2ppm 到 0.4ppm. 3) 相反地有些品質好的測銅劑﹐例如 JBL﹐Sera﹐每盒顏色卡都相同﹐不過顏色轉變不明顯﹐由淺淺藍轉淺藍是0.3ppm 到 0.6ppm﹐要準確讀出是有困難。 4) 所以我覺得最好是如我上文所說的方法自製顏色對照較為準確。 | |
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Posted by: candygil Posted on: 2008-11-07 21:14 understand~~~thx u~~!5ocean wrote: 以下是個人意見﹕ 1) 用試管去對顏色卡上的顏色有難度。 2) 顏色卡上的顏色不準確﹐例如 Reasea, 我買過3盒﹐3張顏色卡的顏色都不 同﹐不知是印刷不好還者其他問題﹐總之品質不良。但他的好處是顏色轉變明顯﹐由藍色轉紫色﹐剛好是我們想知的0.2ppm 到 0.4ppm. 3) 相反地有些品質好的測銅劑﹐例如 JBL﹐Sera﹐每盒顏色卡都相同﹐不過顏色轉變不明顯﹐由淺淺藍轉淺藍是0.3ppm 到 0.6ppm﹐要準確讀出是有困難。 4) 所以我覺得最好是如我上文所說的方法自製顏色對照較為準確。 | |
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