Topic: Mark 兄請進 |
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Posted by: leewc1116 Posted on: 2008-09-15 23:38 我想問問cupramine 銅藥 係唔係16滴=40L水呀 我個魚缸24L水 但加左24滴 用RERA Cu test去test 一d反應都無 有化淡 | |
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Posted by: lammark Posted on: 2008-09-16 04:30 沙,濾材都會吸藥,用銅試劑為準,0.5ppm,8-14日。 用多隻牌子試,redsea, jbl ok. | |

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