我都是將舊水吸到浴缸後看要換多少水做個記號把水放掉,接著注入自來水到記號位置倒下海水素調好比重水清後馬上在注入魚缸10幾年來都是如此沒問題的啦
<object width="425" height="344"></param></param></param><embed src="http://www.youtube.com/v/TaIEMsQtjIs&hl=zh_TW&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>
<object width="425" height="344"></param></param></param><embed src="http://www.youtube.com/v/IRk4rXGdyVU&hl=zh_TW&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>