I guess that using soft water is close to native rainwater and mountain cloud that enjoyed by epiphytes, while hard water has too much mineral dissolved in it. I use the later, and mineral stacks up on the surface of leaf that near the margin of tank.
下面引用由Dr-ku在 2005/02/16 01:15pm 發表的內容: You are welcome. T. biflora & T. complanata are belong to high-land sp, so it is difficult to cultivate them in Summer in Tainan. (台南市是在華視隔壁? ) T. biflora need much water (paper- ...